TY  - BOOK
AU  - Ehrlich,Paul R., Ehrlich, Anne H.
AU  - x
TI  - Human ecology: Problems and solution
SN  - x
U1  - 304.2/EHH 
PY  - 1973///
CY  - San Francisco
PB  - W.H. Freeman
KW  - Human Ecology
KW  - Anthropology
N1  - x
ER  -