TY  - BOOK
AU  - Macan T T
AU  -  Worthington E B
TI  - Life in lakes and rivers
T2  - New Naturalist: A survey of British Natural History
U1  - G95574, J1-;1            CS 
PY  - 1951///
CY  - London
PB  - Collins         
KW  - Fresh water biology
N1  - Bibliography 252-257p
ER  -