Periphyton of freshwater ecosystems : proceedings of the First International Workshop on Periphyton of Freshwater Ecosystems, held in Vaxjo, Sweden, 14-17 September 1982 - International Workshop on Periphyton of Freshwater Ecosystems 1982 : Vaxjo, Sweden); (Wetzel, Robert G. (Robert George) (The Hague, Boston : Junk, 1983)
Keywords: Periphyton -- Congresses; Freshwater ecology -- Congresses