TY  - BOOK
ED  - International Union for Conservation of Nature and Natural Resources
TI  - United Nation list of national parks and equivalent reserves, 197 - 19
U1  - 719.32 
PY  - 0000///197 - 19
CY  - Gland, Suisse
PB  - The Union
KW  - Parques nacionales
KW  - Recursos naturales
KW  - Conservación
N1  - La biblioteca tiene: 1980
ER  -