Polymorphism and ecological speciation in freshwater fish (2011-04-08)https://hdl.handle.net/11250/4888559Conference presentationSource:Norwegian Research Information Repository 1 Akvaplan-niva (current employee)Authors (6)Per-Arne AmundsenRune KnudsenKim PræbelAnna Siwertsson Kimmo Kalevi KahilainenAnders Klemetsen