TY  - BOOK
AU  - Ehrlich, Paul R.
AU  - Ehrlich, Anne H.
TI  - Population Resources Environment: Issues in Human Ecology
SN  - 0716706806
U1  - 301.3 
PY  - 1970///
CY  - San Francisco
PB  - W.H. Freeman and Company
KW  - Social sciences
KW  - Sociology
KW  - Human ecology
ER  -