TY  - BOOK
AU  - Ehrlich, R. Paul,
AU  - Ehrlich, H. Anne,
TI  - Population, Resources, Environment: Issues In Human Ecology
SN  - 9780716706809 (hbk.)
U1  - 301 EHR 
PY  - 1970///
CY  - America
PB  - W.H. Freeman and Company
ER  -