TY  - BOOK
AU  - Macan,T.T.
TI  - Freshwater Ecology
SN  - 0582446244
AV  - QH541.5.F7M3 1974 
U1  - 574.5/2632 
PY  - 1974///
CY  - Kent.
PB  - Longman
KW  - Freshwater ecology
N1  - Includes indexes
ER  -