Wildlife and range research needs in northern Mexico and southwestern United states : workshop proceedings, April 20-24 1981, Rio Rico, Arizona
1983
Biosphere reserves
Explanation to the vegetation map of the Romanian Danube Delta biosphere reserve 1:100 000
1994
Hanganu, J. |
Gridin, M. |
Drost, H. J. |
Chifu, T. |
Stefan, N. |
Sarbu, I. |
Prospects for New Zealand biosphere reserves
1979
Robertson, B. T. |
O'Connor, K. F. |
Molloy, B. P. J. |
Espacios naturales protegidos
1993
Fernandez de Tejada, Antonio |
Castroviejo Bolívar, Miguel |
Purroy Iraizoz, Francisco José |
Araújo, Joaquín |
Great Smoky Mountains Biosphere Reserve : history of scientific study
1982
McCrone, John D. |
Huber, Fred C. |
Stocum, Ann S. |
Reservas de la biosfera en el estado de Durango : trabajos varios
1978
Halffter, Gonzalo |
A Management plan for the proposed parc national de l'Ichkeul, Tunisia
1977
Hollis, G. E. |
Biosphere reserves
1979
Franklin, Jerry F. |
Krugman, Stanley L. |