Ecological Studies in the Coastal Waters of Mauritania: Proceedings of a Symposium held at Leiden, The Netherlands 25–27 March 1991

Rotatoria: Proceedings of the 2nd International Rotifer Symposium held at Gent, September 17–21, 1979

Conservation Management of Freshwater Habitats: Lakes, rivers and wetlands

Asia-Pacific Symposium on Mangrove Ecosystems: Proceedings of the International Conference held at The Hong Kong University of Science & Technology, September 1–3, 1993

Cladocera as Model Organisms in Biology: Proceedings of the Third International Symposium on Cladocera, held in Bergen, Norway, 9–16 August 1993

Biology of Turbellaria and some Related Flatworms: Proceedings of the Seventh International Symposium on the Biology of the Turbellaria, held at Åbo/Turku, Finland, 17–22 June 1993

Rotifera VII: Proceedings of the Seventh Rofifer Symposium, held in Miko?ajki, Poland, 6–11 June 1994