TY  - BOOK
ED  - International Union for Conservation of Nature and Natural Resources. General Assembly
ED  - Technical Meeting of the International Union for Conservation of Nature and Natural Resources 
TI  - Proceedings of 11th General Assembly and 12th Technical Meeting, Banff, Canada, 11-16 September 1972
U1  - 333.72 
PY  - 1972///]
KW  - Conservação da natureza
KW  - Congressos
ER  -