↑Kottelat, M. (1997) European freshwater fishes., Biologia 52, Suppl. 5:1-271.
↑Eschmeyer, W.N. (1996) PISCES., The information in FishBase was derived by comparing FishBase with a preliminary version 2.0 of Eschmeyer's PISCES database, published on the Internet in November 1996, URL: gopher://gopher.calacademy.org:640/7.
↑Kottelat, M. and J. Freyhof (2007) Handbook of European freshwater fishes., Publications Kottelat, Cornol, Switzerland. 646 p.