TY  - BOOK
AU  - Ilmavirta V
AU  - R I Jones
AU  - P E Persson
TI  - Lakes and water management: Proceedings of the 30 years jubilee symposium of the finnish limnological society held in helsinki, finland, 22- 23 september 1980
SN  - 9061937582
U1  - 574.526 322 
PY  - 1982///
CY  - Hague
PB  - Dr w junk publishers
KW  - Lake ecosystem
KW  - Water management
KW  - Fisheries
ER  -