TY  - BOOK
AU  - Turk,Amos
AU  - Turk,Jonathan
AU  - Wittes,Janet T.
TI  - Ecology, pollution, environment
SN  - 0721691388 (pbk.)
PY  - 1972///
CY  - Philadelphia
PB  - Saunders
KW  - Pollution
KW  - Ecology
KW  - Population
N1  - Includes index; Includes bibliographical references
ER  -