Prepared for Hungarian-Dutch seminar om Water Management Problems of Shallow Eutrophic Freshwater Lakes, Siófok, Hungary, April 23-26, 1985. Discusses viable strategies for phosphorus control in tributaries and physico-chemical, physico-biological phosphorus removal.
auteur(s): Ministry of Transport, Public Works and Water Management, IJsselmeerpolders Development Authority = [Ministerie van Verkeer en Waterstaat, Rijksdienst voor de IJsselmeerpolders (RIJP)]; E.J.B. Uunk