TY  - BOOK
AU  - Dobson, Mike
AU  - Frid, Chris
TI  - Ecology of aquatic systems
SN  - 0582298040
U1  - 577.6 21st ed.
PY  - 1998///
CY  - England
PB  - Longman
KW  - Aquatic environment
KW  - Ecology
N1  - Index: p. 210-22
ER  -