TY  - BOOK
AU  - Ehrlich,Paul R.
AU  - Ehrlich,Anne H.
TI  - Population resources environment: issues in human ecology  (Acc: 2738): issues in human ecology
SN  - 0716706806
U1  - 333.7 EHR 22
PY  - 1970///]
CY  - San Francisco
PB  - W. H. Freeman
KW  - Population
KW  - Pollution
KW  - Human ecology
ER  -