El banco de datos del sistema de areas protegidas de Argentina
Ruiz, Lucia |
IUCN-WCNP4-Collection
National parks and wildlife policy in Colombia
Ruiz, Juan Pablo |
A strategy to inventory the biological resources of the national park system of the USA
Ruggiero, M. |
Stohlgren, T. |
Waggoner, G. |
The economic effects of national parks in developing countries
Ruck, Christian |
Integrated modelling for protected areas and biodiversity assessment in Canada
Rubec, C. D. A. |
Turner, A. N. |
Wiken, E. B. (Ed B.) |
Parks and local people : some guidelines for integration - a student's perspective
Rowntree, Matthew |
Manas : a World Heritage site
1992
Roy, Deb |
Rescate genetico y jardineria ecologia
Romero Manrique, Pedro |
El sistema de informacion de parques nacionales (SINP) - Colombia
Romero M., Claudia |