On t.p.: Reprinted from Hydrobiologia, volume 406 (1999)
Aquatic oligochaetes : proceedings of the 7th International Symposium on Aquatic Oligochaetes, held in Presque Isle, Maine, USA, 18-22 August, 1997. ISBN 0792359542. Published by Kluwer Academic in 1999. Publication and catalogue information, links to buy online and reader comments.