Proceedings of the IXth International Rotifer Symposium, held in Khon Kaen, Thailand, 16–23 January 2000

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

Proceedings of the symposium, Hobart, August 1984

Proceedings of a Symposium, held at Illmitz (Austria), September 23–30, 1979

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

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

S.I.L. Workshop on Hypertrophic Ecosystems held at Växjö, September 10–14, 1979

Proceedings of the Third International Symposium on Paleolimnology, held at Joensuu, Finland