TY  - BOOK
AU  - Turk Jonathan
AU  -  Amos Turk
TI  - Home study experiments to accompany Environmental science
SN  - 0030166675
U1  - 333.7 
PY  - 1988///
CY  - Philadelphia : 
PB  - Saunders, 
KW  - Ecology.
ER  -