TY  - BOOK
AU  - Greenhalgh, Malcolm
AU  - Ovenden, Denys
TI  - Freshwater life
SN  - 9780007177776
U1  - 591.76094 GRE 
PY  - 2007///
CY  - London
PB  - HarperCollins Publishers
KW  - Freshwater animals
KW  - Freshwater plants
KW  - Great Britain
N1  - Includes index
ER  -