Lakes and water management : proceedings of the 30 years jubilee symposium of the Finnish Limnological Society, held in Helsinki, Finland, 22-23 September 1980 - Ilmavirta, V; Persson, P.- E. (Per-Edvin); Suomen limnologinen yhdistys (The Hague : W. Junk, 1982)
'Reprinted from Hydrobiologia, vol. 86, no. 1/2 (1982)'
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Keywords: Limnology -- Congresses; Water quality management -- Congresses