Tittel	Morphological differences between two ecologically similar sympatric fishes
Undertittel
Forfattere	Helland, I.P., Vøllestad, L.A., Freyhof, J. & Mehner, T.
År	2009
Kilde	J. Fish Biol. 75: 2756-2767.
ISBN, ISSN	0022-1112