Analisis legal de la administracion y manejo del parque nacional Huascaran
1990
Ferrando G., Enrique |
Hidalgo F., Jessica |
Protected areas
Guia del sistema de parques nacionales de Colombia
Castaño U., Carlos |
Sequoia and Kings Canyon : natural sciences research plan
1966
Sumner, Lowell |
Sprugel, George |
Linn, Robert M. |
Voyageurs national park proposal : a summary report
1967
West, Williard E. |
Williams, Roger S. |
Colombia's national parks : an analysis of management problems and perceived values
1975
Meganck, Richard Albert |
Report on a preliminary management survey of the proposed Panay Mountains National Park, Republic of the Philippines
1987
Cox, Charles Roger |
Bases para el establicimiento del sector peruano de la futura reserva binacional UllaUlla - Cojata
1972
Tovar S., Augusto |
Rios Rodriguez, Manuel A. |
Dourojeanni, Marc J. |