TY  - BOOK
AU  - Ehrlich P R
AU  - Ehrlich A H
TI  - Population, resources, environment: issues in human ecology
SN  - 0-7167-068-06
U1  - 304.2 
PY  - 1970///
CY  - San Francisco
PB  - W H Freeman
KW  - Human ecology
KW  - Pollution
KW  - Population
ER  -