Smithsonian National Museum of Natural History

Website Search Box

Department ofBotany

No. 156
June 1996

Editor: Jane Villa-Lobos


Texas is the home to 36 birds, mammals, reptiles, fish, amphibians and invertebrates that are listed by the U.S. Fish and Wildlife Service (USFWS) as endangered or threatened. Results of studies conducted by the Texas Parks and Wildlife Department, USFWS, U.S. Natural Resources Conservation Service, Texas Agricultural Extension Service, Texas Department of Agriculture, and research scientists from across the United States, Canada and Mexico are published in a new book, Endangered and Threatened Animals of Texas. The book features a basic description of each animal, its habitat and life history, threats to the animal, the reasons for its decline, recovery efforts, and resources for more information and public involvement. The book sets forth for the first time a comprehensive set of approved guidelines for various species, including the bald eagle, golden-cheeked warbler, black-capped vireo and the Attwater's prairie chicken.

The book is published by Texas Parks & Wildlife Press and sells for $19.95. It is available at major bookstores in Texas or through the University of Texas catalog at (800) 252-3206.


Volunteers are needed to help in the management of a turtle camp in Nayarit, Mexico, between Puerto Vallarta and San Blas, an area of white sand beaches, nesting sea turtles, wintering whales, and wildlife-filled estuaries. Undiscovered by developers until two years ago, the area is on the verge of disastrous development. Efforts to conserve the largest sea turtle nesting beach in the region, as well as the preservation of adjacent estuaries, lagoons, mangroves, and jungle habitats is underway through an organization known as El Custodio de las Tortugas. The state of Nayarit has been able to fund one turtle camp, which protected and released over 50,000 hatchlings of several endangered sea turtle species last season. Still over 70% of the nests on this beach are destroyed or robbed. Authorization has been given to build and maintain an additional camp.

Volunteer services are needed in various ways. For more information, contact Dr. Mindaugas Labanauskas at: or access the Web page at


The new Checklist of CITES Species has just been published in the three working languages of the Convention on International Trade in Endangered Species. Its production is supported by the CITES Secretariat, the Joint Nature Conservation Committee of the UK and the European Commission. It is produced by WCMC as part of its support to CITES.

The checklist provides alphabetical lists of the species of fauna and flora listed in Appendices I, II and III of CITES. It is hoped that these will act as an aid to management and scientific authorities, customs officials, and all others involved in implementing and enforcing the Convention.

Copies are available from: CITES Secretariat, Case Postale 456, CH-1219 Geneva, Switzerland; Tel.: (22) 979-9139; Fax: (22) 797-3417; E-mail:


Wildlife Worldwide, produced by National Information Services Corporation (NISC), is the world's largest index to literature on wild animals, birds, reptiles, and amphibians with over 485,000 full bibliographic records. The databases in this collection offer a global perspective and together form the ultimate resource on wildlife information. Extensive keyword indexing permits flexible subject searching and taxonomic and geographic identifiers are also helpful. One can search by species in a province, state, county, or even a community, park, lake, or stream.

Another useful CD-ROM is the Species Information Library, which has been compiled by the Fish and Wildlife Information Exchange (FWIE) at Virginia Polytechnic Institute and State University. FWIE archives the species information systems and related databases developed by fish and wildlife agencies and promotes interagency data sharing. Species Information Library contains complete accounts of thousands of North American animals.

Both CD-ROMS are available by contacting NISC, 3100 St. Paul St., Baltimore, MD 21218; Tel.: (410) 243-0797; Fax: (410) 243- 0982; E-mail:


Las Cruces Biological Station in San Vito, Coto Brus, Costa Rica held a workshop in February, 1996 on the nomenclature of the phytoecology of the Neotropics. This was the second workshop (first one in Caracas, April, 1994) aimed at the compilation of all classification terminology, including phytosociological terms, published for the Neotropical area. The first volume, available this year, will include only continental, Spanish-speaking countries. Other volumes are planned and individuals interested in contributing to the Caribbean, Portuguese and French-speaking countries should write to: Dr. Otto Huber, Instituto Botanico, Universidad Central, Caracas, Venezuela.

The Laboratorio de Investigaciones Ecologicas de las Yungas of Argentina has recently published a new edition entitled, Investigacion, Conservacion y Desarrollo en Selvas Subtropicales de Montana. This publication contains 26 articles authored by specialists of the region, with a range in diversity, including biology, anthropology, archaeology, geography, climate, agriculture and forest engineering. The book is available for $30, (including air mail postage), from: Miriam Roxana Aragon, LIEY, Casilla de Correo 34,(4107), Yerba Buena, Tucuman, Argentina.


The School for Field Studies (SFS) is the USA's largest private educational institution designed to give students the opportunity to contribute to critical environmental management issues in various ecosystems. Faculty give traditional classroom lectures and work in the field with students on applied conservation issues. Currently The School for Field Studies is seeking applications for two resident faculty positions, and one field director.

Requirements for the rainforest resource specialist faculty position are: Ph.D. or Masters degree with at least four years of applied, work/living experience in Australia or similar ecosystem working in restoration and forest ecology, in tropical rainforest, wildlife, and landscape management ecology, and in working with alternate forest management models in the context of sustainable development integrating social and resource components. At least two years teaching at the undergraduate level with full course responsibility; a demonstrated commitment to conservation; experience working with applied conservation/management issues; proven leadership skills and the desire to educate motivated students.

Faculty positions are residential and require faculty to live on site with students. Programs are offered to 32 students for semester and summer programs. Faculty will teach the equivalent of one and a half courses per semester, oversee students' directed research projects, and participate in all daily living at the center. Salary is equivalent to US$25,000. Room and board are provided by SFS. To apply, send a CV and a detailed letter explaining skills and experience to: SFS Australia Search, address below.

The other faculty position is for an ecological economist/resource economist to be located in North Queensland, Australia. Qualifications include: Ph.D. preferred (Masters degree minimum); two years teaching at the undergraduate level; field research experience in Australia; experience in either resource economics, environmental policy, economic development, or ecological economics; ability to live in remote field setting and a commitment to conservation issues in the region. To apply, send a detailed letter with interests, research experience and skills, CV with names and telephone numbers of 3 references to: Australia RE Search, address below.

The field director position is for the Centre for Rainforest Studies near Cairn, Australia. The Centre offers 2 full semester and an 8 week winter program annually for undergraduates, mostly U.S. students. Teaching is multidisciplinary, organized around case studies, team taught, field oriented, and focused on the economics, ecology, management, and conservation or tropical rainforests.

The successful candidate will have the ability to manage a complex education/field project in Australia. Qualifications: Ph.D. in a field related to rainforest/tropical conservation (Masters with 7 years of practical experience may be considered). Relevant teaching experience in environmental studies emphasizing curriculum integration and field experience or 2 years of relevant applied conservation experience is required. Five years administrative experience in a similar position along with 2 years experience working in Australia (or similar ecosystem); proven field leadership skills; and demonstrated commitment to environmental issues. An ability to live and work in a remote field setting for extended periods under spartan conditions is important. To apply, send a detailed letter explaining management and educational philosophy and CV to: Australia FD Search, address below.

For all positions, address application to: The School for Field Studies, 16 Broadway, Beverly, MA 01915; Tel.: (508) 922- 7200; Fax: (508) 927-5127.

The Nature Conservancy (TNC) is seeking a professional for the position of Ecuador Country Program Director for the Quito office. The main duties of the director are: develops and implements a strategy for the conservation of biological diversity in Ecuador, in cooperation with TNC's in-country partners; develops long-range and annual plans for the country program; coordinates Ecuador country program activities, including Parks in Peril and TNC bioreserve programs and raises funds to meet the programs needs.

Requirements include: a graduate degree in natural resource management, economic, political science or related field and 3-5 years field experience in international conservation working in Latin America; excellent communication skills in both English and Spanish, and demonstrated proposal writing and public speaking experience in either language; a broad knowledge of policy mechanisms, finance practices and conservation and natural resource issues in Latin America; and willingness to travel frequently. To apply, contact either: Jennifer Diaz, The Nature Conservancy, 1815 N. Lynn St., Arlington, VA 22209; Tel.: (703) 841-4249, or Fernando Carrillo, The Nature Conservancy, Regional Technical Unit, Avenida 12 de Octubre #394, Edificio Centurion 7mo. Piso, Quito, Ecuador; Tel.: (593-2) 565-171.

An established environmental consulting firm in southwest Florida has an immediate opening for an experienced botanist/plant ecologist. Advanced degree and broad experience in Florida or similar ecosystems is preferred. This position requires advanced skills in botany, taxonomy, oral and written communication, project management and applied research. Salary is commensurate with experience and ability; excellent benefits. If interested, send resume to: Ria Brown, Office Manager, Kevin L. Erwin Consulting Ecologist, Inc., 2077 Bayside Parkway, Ft. Myers, FL 33901; Tel.: (941) 337-1505; Fax: (941) 337-5983; E- mail:


July 12 - August 11. A course on protected areas for Latin America will be given in Spanish at Colorado State University. Designed for protected areas professionals and technicians from Latin America, emphasis will be given on practical exercises, combined with a solid review of the key concepts, principles and methods of protected areas management. For more information, contact: Craig MacFarland, 838 Mabelle, Moscow, ID 83843; Tel.: (208) 883-4876; Fax: (208) 883-0653.

August 19-23. The Ecological Summit 96, to be held in Copenhagen, will be of interest to all ecologists. Topics covered will include: valuation of nature's services, risk assessment, ecosystem creation and restoration, and applications of models to ecosystem management. For more information contact: Ecological Summit 96 Conference Secretariat, Elsevier Science Ltd., The Boulevard, Langford Lane, Kidlington, Oxford OX5 1GB, England; Tel.: (44) 1865 843 643; Fax: (44) 1865 843 958; E-mail:


Anderson, I. 1996. World's wetlands sucked dry. New Scientist 149(2023): 9. (USA lost 55% of its wetlands when it was colonized)

Anon. 1996. Big victory for a small frog. New York Times (Editorials) May 26: 10. (California red-legged frog the first creature granted protection under the U.S. Endangered Species Act after 13-month moratorium ended)

Anon. 1996. Conservation spotlight: the Attwater's prairie chicken. End. Species UPDATE 13(3): 12. (Found from Texas to Louisiana)

Anon. 1996. A warning from wildlife. Conservation Issues 3(2): 1, 3-10. (Toxic chemicals in the environment)

Barrett, S. 1996. Disease threatens green sea turtles. End. Species Bull. 21(2): 8-9.

Bayley, J. and Highfield, A. 1996. Observations on ecological changes threatening a population of Testudo graeca graeca in the Souss Valley, southern Morocco. Chelonian Conservation and Biology 2(1): 36-42.

Belson, N. 1996. The Biodiversity Convention and the private sector. DIVERSITY 12(1): 6-7.

Blakenship, K. 1996. Streamside forests: keys to the living landscape. Am. Forests 102(2): 13-19, 39.

Brown, J. and Kodric-Brown, A. 1996. Biodiversity on the borderlands. Natural History April: 58-61. (USA/Mexico)

Brown, N., Jamieson, H. and Hitchcock, A. 1996. Conservation through cultivation. The Garden 121(5): 265-267. (Kirstenbosch National Botanic Gardens, Cape Town, South Africa)

Brunson, M. 1996. Integrating human habitat requirements into ecosystem management strategies: a case study. Nat. Areas J. 16(2): 100-107.

Brush, S. and Stabinsky, D. (Eds). 1996. Valuing Local Knowledge. Indigenous People and Intellectual Property Rights. Island Press, Covelo, California. 330 pp.

Cambray, J. 1996. Threatened fishes of the world: Sandelia bainsii Castelnau, 1861 (Anabantidae). Environ. Biol. Fishes 45(2): 150. (Vulnerable in South Africa)

Carte, B. 1996. Biomedical potential of marine natural products. BioScience 46(4): 271-287.

Castell, C., Castello, J. and Soler, J. 1996. Management and monitoring in natural parks operated by the Barcelona (Spain) Diputacio. Nat. Areas J. 16(2): 152-157.

Cirujano, S., Casado, C., Bernues, M. and Camargo, J. 1996. Ecological study of Las Tablas de Daimiel National Park (Ciudad Real, central Spain): differences in water physico-chemistry and vegetation between 1974 and 1989. Biol. Conservation 75(3): 211-216.

Clay, J. 1996. Generating Income and Conserving Resources: Twenty Lessons from the Field. WWF, Washington, DC.

Coe, F. and Anderson, G. 1996. Ethnobotany of the Garifuna of eastern Nicaragua. Econ. Bot. 50(1): 71-107.

Colborn, T., Dumanoski, D. and Myers, J. 1996. Our Stolen Future: Are We Threatening Our Fertility, Intelligence and Survival? - A Scientific Detective Story. WWF, Washington, DC. (Toxic chemicals)

Cooke, A. and Lakhani, K. 1996. Damage to coppice regrowth by muntjac deer Muntiacus reevesi and protection with electric fencing. Biol. Conservation 75(3): 231-238.

Cowley, J. 1996. The rediscovery of Arisaema candidissimum in the wild. Curtis' Bot. Mag. 13(2): 108-111. (Chinese plant)

Crivelli, A., Hafner, H., Fasola, M., Erwin, R. and McCrimmon, D. (Eds). 1996. Ecology, Conservation, and Management of Colonial Waterbirds in the Mediterranean Region. 227 pp. [Colonial Waterbirds 19 (Special Publ. 1)]

Dallmeier, F. 1996. Biodiversity inventories and monitoring: essential elements for integrating conservation principles with resource development projects. In Szaro, R.,

Johnston, D., Eds, Biodiversity in Managed Landscapes. Theory and Practice. Oxford University Press, New York, New York. 221-238 pp.

de Gouvenain, R. 1996. Indirect impacts of soil trampling on tree growth and plant succession in the North Cascade Mountains of Washington. Biol. Conservation 75(3): 279-288.

Driver, B. 1996. Benefits-driven management of natural areas. Nat. Areas J. 16(2): 94-99.

Easter-Pilcher, A. 1996. Implementing the Endangered Species Act. BioScience 46(5): 355-363.

Ebinger, J. 1996. Flowering in false hellebore (Veratrum woodii, Liliaceae) populations in east-central Illinois. Castanea 61(1): 46-48. (Rare plant)

Ewert, M. and Wilson, D. 1996. Seasonal variation of embryonic diapause in the striped mud turtle (Kinosternon baurii) and general considerations for conservation planning. Chelonian Conservation and Biology 2(1): 43-54.

Fensham, R. 1996. Land clearance and conservation of inland dry rainforest in north Queensland, Australia. Biol. Conservation 75(3): 289-298.

Freimund, W., Anderson, D. and Pitt, D. 1996. Developing a recreation and aesthetic inventory framework for forest planning and management. Nat. Areas J. 16(2): 108-117.

Hartig, J., Dodge, D., Jester, D., Atkinson, J., Thoma, R. and Cullis, K. 1996. Toward integrating remedial action planning and fishery management planning in Great Lakes areas of concern. Fisheries 21(2): 6-13.

Hernandez Bermejo, J. and Munoz, M. 1996. Cordoba Botanic Garden integrates in situ _ and ex situ techniques to conserve the flora of Andalusia. DIVERSITY 12(1): 8-9. (4,000 taxa, with 10% endemic)

Higgins, J. and Lammert, M. 1996. The Nature Conservancy's aquatic community conservation initiative. Biodiversity Network News 9(1): 4-5, 7.

Holmes, B. 1996. The big importance of little towns on the prairie. Nat. Wildlife 34(4): 12-19. (Key to the health of the ecosystem)

Hurtrez-Bousses, S. 1996. Genetic differentiation among natural populations on the rare Corsican endemic Brassica insularis Moris: implications for conservation guidelines. Biol. Conservation 76(1): 25-30.

Jennings, S., Marshall, S. and Polunin, N. 1996. Seychelles' marine protected areas: comparative structure and status of reef fish communities. Biol. Conservation 75(3): 201-210.

Johns, T., Mhoro, E. and Sanaya, P. 1996. Food plants and masticants of the Batemi of Ngorongoro District, Tanzania. Econ. Bot. 50(1): 115-121.

Johnson, D. and Van de Kamp, M. 1996. Extent and control of resource damage due to noncompliant visitor behavior: a case study from the U.S. national parks. Nat. Areas J. 16(2): 134-141.

Johnson, M. 1996. Vanishing legumes. The conservation of biological diversity. Aridus 8(1): 1-3.

Jordan, D. 1996. New hope for the Florida panther. End. Species Bull. 21(2): 10.

Kaeding, L., Boltz, G. and Carty, D. 1996. Lake trout discovered in Yellowstone Lake threaten native cutthroat trout. Fisheries 21(3): 16-21.

Lewis, M., Lime, D. and Anderson, D. 1996. Use of visitor encounter norms in natural area management. Nat. Areas J. 16(2): 128-133.

Liles, G. 1996. Gambling on marine biotechnology. BioScience 46(4): 250-253.

Loppi, S. 1996. Lichens as bioindicators of geothermal air pollution in central Italy. The Bryologist 99(1): 41-48.

Lyon, L. 1996. Pesticide impacts. End. Species Bull. 21(2): 4-6.

Mackay, A. and Tallis, J. 1996. Summit-type blanket mire erosion in the Forest of Bowland, Lancashire, UK: predisposing factors and implications for conservation. Biol. Conservation 76(1): 31-44.

Manning, R., Lime, D. and Hof, M. 1996. Social carrying capacity of natural areas: theory and application in the U.S. national parks. Nat. Areas J. 16(2): 118-127.

Marcovaldi, M. and Laurent, A. 1996. A six season study of marine turtle nesting at Praia do Forte, Bahia, Brazil, with implications for conservation and management. Chelonian Conservation and Biology 2(1): 55-59.

McCool, M. 1996. Wildlife viewing, natural area protection, and community sustainability and resiliency. Nat. Areas J. 16(2): 147-151.

McCormick, K. 1996. Cultivating the genuine Kauai. New York Times (Travel) May 26: 10-11, 15. (Botanic garden growing rare Hawaiian plants)

McMillan, M. 1996. Effects of the moratorium on listings under the Endangered Species Act. End. Species UPDATE 13(3): 5-6.

McNeeley, J. (Ed). 1996. Expanding Partnerships in Conservation. Island Press, Covelo, California. 318 pp. (Protected areas)

Mehan, G. 1996. Ecosystem management in the Great Lakes Basin. Fisheries 21(4): 12-13.

Mehlhop, P. 1996. Ecology and conservation needs of hydrobiid snails. Biodiversity Network News 9(1): 6-7.

Milliken, W. and Albert, B. 1996. The use of medicinal plants by the Yanomami Indians of Brazil. Econ. Bot. 50(1): 10-25.

Mitchell, J. and Rhodin, A. 1996. Observations on the natural history and exploitation of the turtles of Nepal, with life history notes on Melanochelys trijuga. Chelonian Conservation and Biology 2(1): 66-72.

Monks, V. 1996. The beauty of wetlands. Nat. Wildlife 34(4): 20-27.

Mourao, G., Campos, Z., Coutinho, M. and Abercrombie, C. 1996. Size structure of illegally harvested and surviving caiman Caiman crocodilus yacare in Pantanal, Brazil. Biol. Conservation 75(3): 261-266.

Mydans, S. 1996. Thai shrimp farmers facing ecologists' fury. New York Times (Int.) April 28: 3.

Pemberton, R. and Lee, N. 1996. Wild food plants in South Korea: market presence, new crops, and exports to the United States. Econ. Bot. 50(1): 57-70.

Pywell, R., Webb, N. and Putwain, P. 1996. Harvested heather shoots as a resource for heathland restoration. Biol. Conservation 75(3): 247-254.

Radmer, R. 1996. Algal diversity and commercial algal products. BioScience 46(4): 263-270.

Reed, R., Johnson-Barnard, J. and Baker, W. 1996. Fragmentation of a forested Rocky Mountain landscape, 1950-1993. Biol. Conservation 75(3): 267-278.

Reijnen, R., Foppen, R. and Meeuwsen, H. 1996. The effects of traffic on the density of breeding birds in Dutch agricultural grasslands. Biol. Conservation 75(3): 255-260.

Rich, T. and Woodruff, E. 1996. Changes in the vascular plant floras of England and Scotland between 1930-1960 and 1987- 1988: the BSBI Monitoring Scheme. Biol. Conservation 75(3): 217-230.

Richter, B. 1996. Carrying the Conservancy's water. Biodiversity Network News 9(1): 1-3, 7. (Biohydrology Program of The Nature Conservancy)

Rosier, J. 1996. Ocala National Forest is still in trouble. Florida Naturalist 69(1): 17-21.

Savage, A. 1996. AZA Species Survival Plan profile: the cotton-top tamarin. End. Species UPDATE 13(3): 9-11. (Endemic to Colombia)

Sayers, R. 1996. Candidate Notice is revised. End. Species Bull. 21(2): 7. (Endangered species, USA)

Schaller, G. and Wulin, L. 1996. Distribution, status, and conservation of wild yak Bos grunniens. Biol. Conservation 76(1): 1-8.

Schildwachter, G. 1996. Finding the emerging strategy for endangered species recovery. End. Species UPDATE 13(3): 1- 4.

Schilling, T. 1996. Conservation in Nepal: III. Rara National Park. Curtis' Bot. Mag. 13(2): 96-104.

Seachrist, L. 1996. Yew drug fights cancer. Science News 149(2): 22.

Shea, J. 1996. Biodiversity training program estabishes link between NIS and U.S. ecologists for restoration initiatives. DIVERSITY 12(1): 12.

Shirazi, A., Muir, P. and McCune, B. 1996. Environmental factors influencing the distribution of the lichens Lobaria oregana and L. pulmonaria. The Bryologist 99(1): 12-18. (North America)

Siemens, D. and Johnson, C. 1996. Bruchid oviposition patterns beneath Guanacaste trees (Mimosaceae) in Venezuela: probable consequences of extinct seed dispersers. Biotropica 28(1): 96-104. (Costa Rica)

Sinclair, E., Webb, N., Marchant, A. and Tidemann, C. 1996. Genetic variation in the little red flying-fox Pteropus scapulatus (Chiroptera: Pteropodidae): implications for management. Biol. Conservation 76(1): 45-50.

Singh, S. and Gadgil, M. 1996. Ecology of Amorphophallus species in Uttara Kannada District of the Karnataka State, India: implication for conservation. Aroideana 18: 2-20.

Skelton, P. 1996. Threatened fishes of the world: Pseudobarbus phlegethon (Barnard, 1938) (Cyprinidae). Environ. Biol. Fishes 45(2): 214. (Endangered in South Africa)

Smith, G., Learner, M., Slater, F. and Foster, J. 1996. Habitat features important for the conservation of the native crayfish Austropotamobius pallipes in Britain. Biol. Conservation 75(3): 239-246.

Speer, L. 1996. Conserving and managing straddling, highly migratory fish stocks: United Nations takes a major step forward for marine conservation. Fisheries 21(2): 4-5.

Stiles, B. and Howell, C. 1996. Preliminary results of a floristic survey of Rabun County, Georgia. Castanea 61(1): 62-85. (4 protected species)

Swengel, A. 1996. Effects of fire and hay management on abundance of prairie butterflies. Biol. Conservation 76(1): 73-86.

Szaro, R. and Johnston, D. (Eds). 1996. Biodiversity in Managed Landscapes. Theory and Practice. Oxford University Press, New York, New York. 771 pp.

Tangley, L. 1996. Ground rules emerge for marine bioprospectors. BioScience 46(4): 245-249.

Taylor, C., Warren, M., Fitzpatrick, J., Hobbs, H., Jezerinac, R., Pflieger, W. and Robison, H. 1996. Conservation status of crayfishes of the United States and Canada. Fisheries 21(4): 25-38.

Tyndall, R., Holt, B. and Lam, G. 1996. Aeschynomene virginica (L.) BSP. (Fabaceae) in Maryland. Castanea 61(1): 86. (Federally threatened)

Viverette, C., Struve, S., Goodrich, L. and Bildstein, K. 1996. Decreases in migrating sharp-shinned hawks (Accipiter striatus) at traditional raptor-migration watch sites in eastern North America. The Auk 113(1): 32-40.

Waste, S. 1996. Profile - the National Marine Fisheries Service Office of Habitat Conservation: protecting the habitats of living marine resources. Fisheries 21(2): 24-29.

Watson, A., Hendee, J. and Zaglauer, H. 1996. Human values and codes of behavior: changes in Oregon's Eagle Cap Wilderness visitors and their attitudes. Nat. Areas J. 16(2): 89-93.

Weiss, R. 1996. Landfill plan raises stink in California desert. Washington Post April 14: A3. (Joshua Tree National Park)

Zettler, L., Ahuja, N. and McInnis, T. 1996. Insect pollination of the endangered monkey-faced orchid (Platanthera integrilabia) in McMinn County, Tennessee - one last glimpse of a once common spectacle. Castanea 61(1): 14-24.

[ TOP ]