TY  - BOOK
AU  - Ehrlich, Paul R.
AU  - Ehrlich, Anne H.
TI  - Population resources environment ; issues in human ecology
AV  - HB871.E35 
PB  - W. H. Freeman
KW  - Population
KW  - Pollution
KW  - Human ecology
KW  - HB
N1  - Third ed. published in 1977 under title: Ecoscience; Bibliography: p. [360]-363; Includes index
ER  -