Biosphere reserves in Australia : a strategy for the future 1993 Parker, Pamela | Longmore, Richard |
Yosemite Centennial Symposium Proceedings. Natural areas and Yosemite : prospects for the future. A global issues symposium joining the 17th Annual Natural Areas Conference with the Yosemite Centenial Celebration 1991
Economic impact analysy for the Virgin Islands National Park 1981 Posner, Ben | Cuthbertson, Clarence | Towle, Edward L. | Reeder, Charlotte |
Proceedings of the workshop on Biosphere Reserves and other Protected Areas for Sustainable Development of small Caribbean Islands 1984 Wood, James D., Jr. |
Desierto Chihuahuense Fauna del Bolson de Mapimi : ecologia y conservación de los vertebrados Grenot, Claude J. |
Reservas de biosfera : clarificacion de su marco conceptual y diseño y aplicacion de una metodologia para la planificacion estrategica de un subsistema nacional 1983 Cifuentes A., Miguel |