TY  - BOOK
AU  - Ehrlich,Paul R.
AU  - Ehrlich,Anne H.
AU  - Holdren,John P.
TI  - Human ecology: problems and solutions 
SN  - 0716705958
PY  - 1973///
CY  - San Francisco, Calif.
PB  - W. H. Freeman
KW  - Ecology
KW  - Environmental health
KW  - Population control
KW  - Population growth
N1  - Includes bibliographies
ER  -