Proceedings of a Symposium, held in Brussels, Belgium, December 9–12,1985

Reconstructing pH from siliceous algal remains in lake sediments

Based on the Proceedings of the First International Symposium on Sandy Beaches, held in Port Elizabeth, South Africa, 17–21 January 1983

Nordic symposium on forest water ecosystems held at Färna, Central Sweden, September 28–October 2, 1981

25th anniversary of the Limnological Institute of the Royal Netherlands Academy of Arts and Sciences

Proceedings of the International Symposium on Athalassic (Inland) Salt Lakes, held at Adelaide, Australia, October 1979