TY  - BOOK
AU  - Foin,Theodore C.
TI  - Ecological systems and the environment
SN  - 0395206669
AV  - GF41 .F64
U1  - 301.31 
PY  - 1976///
CY  - Boston
PB  - Houghton Mifflin
KW  - Human ecology
KW  - Environmental policy
KW  - Environmental protection
N1  - Includes bibliographies and index
ER  -