TY  - BOOK
AU  - Ehrlich,Paul R.
AU  - Ehrlich,Anne H.
AU  - Holdren,John P.
TI  - Ecoscience: population, resources, environment 
SN  - 0716705672
PY  - 1977///
CY  - San Francisco
PB  - W.H.Freeman
KW  - Population
KW  - Pollution
KW  - Human ecology
N1  - First-2nd ed. published under title:Population, resources, environment; Includes bibliographies and indexes; Photocopy; Includes bibliographical references
ER  -