TY  - BOOK
ED  - International Union for Conservation of Nature and Natural Resources. General Assembly
TI  - Eleventh General Assembly [of the] International Union for Conservation of Nature and Natural Resources : : Banff, Alberta, Canada, 11-16 September 1972 : proceedings
T2  - IUCN publications new series. 
U1  - 333.72 
PY  - 1972///
CY  - Morges, Switzerland : 
PB  - IUCN, 
KW  - Conservação da natureza
KW  - Congressos
ER  -