TY  - BOOK
AU  - Ehrlich Paul R
AU  -  Ehrlich Anne H
TI  - Population ,resources, environment :  Issues in hum   
T2  - Series of books in biology. Ed by Donald Kennedy and Roderic B Park
U1  - Y:5, L0 
PY  - 1970///
CY  - San Francisco  
PB  - Franciso Freeman         
N1  - Bibliography :P 360-363; Appendix : P329-363
ER  -