TY  - BOOK
AU  - foin,Theodore C., x
AU  - x
TI  - Ecological system and the environment: x
SN  - 0395206669
U1  - 574.5/F659e 
PY  - 1976///
CY  - Boston ; London
PB  - Houghton Mifflin
KW  - Ecology
KW  - Biology
N1  - Includes
ER  -