TY  - BOOK
AU  - Russell, Franklin,
CN  - QH541.5.P63
CN  - QH541.5.P63
CY  - New York :
DA  - [1966] c1961.
ID  - 428286
KW  - Pond ecology.
KW  - Freshwater biology.
PB  - Time,
PP  - New York :
PY  - [1966] c1961.
T1  - Watchers at the pond /
TI  - Watchers at the pond /
ER  -