L’Abee-Lund, Jan Henning, Einar Kleven, Dag Matzow, and Odd Terje Sandlund. 1988. “Semelparous Whitefish Coregonus Lavaretus: Do They Exist?”. Fauna Norvegica 9 (December):59-62. https://doi.org/10.5324/fn.v9i0.6086.