TY  - BOOK
AU  - Ehrlich,Paul
AU  - Ehrlich,Anne
TI  - Extinction: the causes and consequences of the disappearance of species 
SN  - 0394513126 :
U1  - 333.95 
PY  - 1981///
CY  - New York
PB  - Random House
KW  - Nature conservation
KW  - Ecology
KW  - Endangered species
KW  - Extinct animals
N1  - Includes index
ER  -