TY  - BOOK
TI  - Conservation for the twenty-first century / 
SN  - 0195054741
U1  - 333.9572 
PY  - 1989///
CY  - New York : 
PB  - Oxford University Press, 
KW  - Conservação da natureza
N1  - "Selected papers from a conference held in New York, Oct. 19-22, 1986";  "Wildlife Conservation International, New York Zoological Society."
ER  -