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 Socity, held in Helsinki, Finland, 22-23 September 1980
AV  - QH96.A3L34 
PY  - 1982///
CY  - Boston
PB  - : Dr. W. Junk Publishers
KW  - Limnology
KW  -  Congresses,
KW  - Water quality management
ER  -