TY  - GEN
AU  - Harper, David
TI  - Eutrophication of Freshwaters: Principles, Problems and Restoration
SN  - 0412329700
U1  - 577.63158 
PY  - 1992///
CY  - London
PB  - Chapman & Hall
KW  - Eutrophication
KW  - Water Quality
KW  - Fisheries
ER  -