Desierto Chihuahuense Fauna del Bolson de Mapimi : ecologia y conservación de los vertebrados Grenot, Claude J. |
Plan maestro para el establecimiento y manejo del Parque nacional Darien , Panamá 1978 Dalfelt, Arne | Morales, Róger |
Proceedings of the workshop on coastal protected areas in the lesser Antilles 1989 Knausenberger, Walther I. | Fleming, Carrol B. |
Ecoturismo : criterios de desarrollo y casos de manejo 1992 Castroviejo Bolívar, Miguel | Herrero, Julio |
A representative national parks and reserves system for Fiji 1989 Lenoa, Lemeki | Waqaisavou, Timoci | Lees, Annette |
Perspectives and recommendations on interpretation and education : Amboseli national park, Malindi-Watamu marine national parks, Lake Bogoria national reserve 1980 Butler, James R. |