TY  - BOOK
AU  - olof,walter
AU  - rast,walter
TI  - the control of eutrophication of lakes and reservoirs / 
T2  - man & the biosphere series
U1  - 628.168/con 
PY  - 1989///
CY  - uneesco
PB  - paris
KW  - eutrophication
KW  - control
KW  - handbooks
ER  -