TY  - BOOK
AU  - Foin,Theodore C.
TI  - Ecological systems and the environment
SN  - 0395206669
PY  - 1976///
CY  - Boston
PB  - Houghton Mifflin
KW  - Human ecology
KW  - Environmental policy
KW  - Environmental protection
N1  - Bibl. - Index
ER  -