TY  - BOOK
AU  - Alison Leadley Brown
TI  - Ecology of fresh water
SN  - 0-435-61537-8
U1  - 574.929 
PY  - 1971///
CY  - London
PB  - Heinemann Educational Books Ltd.
N1  - Alison Leadley Brown: Ecology of fresh water.  London.  Heinemann Educational Books Ltd., 1971. 0-435-61537-8--(574.929BRO)
ER  -