TY  - BOOK
AU  - Maitland, Peter S.
CN  - QH96
CN  - QH96
CY  - New York :
DA  - 1978.
ID  - 11131
KW  - Freshwater biology.
PB  - Wiley,
PP  - New York :
PY  - 1978.
SN  - 047026392X
T1  - Biology of fresh waters /
TI  - Biology of fresh waters /
ER  -