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Eutrosym ‘76: Proceedings the International Symposium on Eutrophication and Rehabilitation of Surface Water - Vol. II
(1976)
The participants in this meeting drew up draft recommendations concerning the protection of surface waters from eutrophication.
Eutrosym ‘76: Proceedings the International Symposium on Eutrophication and Rehabilitation of Surface Water – Vol. IV
(1976)
The participants in this meeting drew up draft recommendations concerning the protection of surface waters from eutrophication