RT null T1 Eutrosym '76: 20.-25. IX. 1976 Karl-Marx-Stadt German Democratic Republic - Proceedings the International Symposium on Eutrophication and Rehabilitation of Surface Water - Vol. I, Part 1 T2 Eutrosym '76: 20-25. IX. 1976 KarI-Marx-Stadt République Démocratique Allemande - Procès-verbal du Symposium International sur I'eutrophisation et l'assainissement des eaux de surface A1 United Nations Environment Programme, K1 surface water K1 Bangladesh K1 Belgium K1 Benin K1 Bulgaria K1 Cameroon K1 Canada K1 Czech Republic K1 Denmark K1 Egypt K1 Finland K1 France K1 German Democratic Republic K1 Ghana K1 Greece K1 Hungary K1 Italy K1 United States K1 eutrophication YR 1976 FD 1976 LK https://wedocs.unep.org/handle/20.500.11822/30137 UL https://wedocs.unep.org/handle/20.500.11822/30137 NO The participants in this meeting drew up draft recommendations concerning the protection of surface waters from eutrophication. DS UN Environment Document Repository RD Sep 24, 2026