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Der Flussbarsch : Perca fluviatilis ; Biologie, Ökologie und fisch- ereiliche Nutzung
Reiner Eckmann, Diana Schleuter-Hofmann
Bok Tysk 2013
Biology and management of coregonid fishes - 1996 : proceedings of the sixth International Symposium on the Biology and Management of Coregonid Fishes held in Konstanz, Germany, September 23-26, 1996
International Symposium on the Biology and Management of Coregonid Fishes
Bok Engelsk 1998