TY  - BOOK
AU  - Ehrlich, Paul R.
AU  - Ehrlich, Anne H.
TI  - Population resources environment: issues in human ecology
SN  - 0716706806; 9780716706809
PY  - 1970///
CY  - San Francisco
PB  - W. H. Freeman
KW  - Population.;Pollution.;Human ecology
N1  - Bibliography: p. [360]-363
ER  -