Simola, Heikki Proceedings of the tenth international diatom symposium : Joensuu, Finland, August 28-September 2, 1988 Heikki Simola; International Society for Diatom Research - 1st ed - Königstein, West Germany Koeltz Scientific Books 1990 - 592 p. : ill. ; 25 cm ISBN: 3874293076 Subjects--Topical Terms: Diatoms -- CongressesDiatoms, Fossil -- CongressesKieselalgenKongress Dewey Class. No.: 579.85 SIM