TY  - BOOK
AU  - Turk, Amos.
TI  - Environmental Science
SN  - 0721689280
AV  - OH 541 .T87 1974 
PY  - 1974///
CY  - Philadelphia
PB  - W.B. Saunders Company
KW  - Environmental sciences
N1  - Include index
ER  -