Polymeric Amines and Ammonium Salts Invited Lectures and Contributed Papers Presented at the International Symposium on Polymeric Amines and Ammonium Salts, Ghent, Belgium, 24-26 September 1979 : [Organized by The] International Union of Pure and Applied Chemistry (Macromolecular Division) in Conjunction With National Fonds Voor Wetenschappelijk Onderzoek