TY  - BOOK
AU  - Watt,Kenneth
TI  - Understanding the Environment
SN  - 0205072658 (hbk.)
PY  - 1982///
CY  - Massachusetts,
PB  - Allyn and Bacon
KW  - Human ecology
KW  - Environmental policy
N1  - Includes index; Includes bibliographical references
ER  -