TY  - BOOK
AU  - Ehrlich Paul R
AU  -  Ehrlich Anne H
TI  - Population, resources, environment:  Issues in huma   
T2  - Series of Books in Biology Ed by Donald Kennedy and Roderic B Park
U1  - Y:5:95, L0 
PY  - 1970///
CY  - San Francisco  
PB  - Freeman         
KW  - Demography
N1  - Bibliography: p 360-363; Appendix:  p 329-363
ER  -