TY  - BOOK
AU  - Ryding Sven-Olof Editor
AU  -  Rast Walter Editor
TI  - Control of Eutrophication of lakes and reservoirs
T2  - Man and biosphere series ed by John Jeffers
SN  - 0929858131
U1  - G:555:7, M9 
PY  - 1989///
CY  - Paris
PB  - UNESCO and UK Parthenon publishing group ltd. France 
KW  - BIOLOGY
ER  -