TY  - BOOK
AU  - Macan, T. T.
AU  - Worthington, E. B.
TI  - Life in lakes and rivers
T2  - The new naturalist: a survey of British natural history
U1  - 574.92942 
PY  - 1968///
CY  - London
PB  - Collins
N1  - Includes index
ER  -