Frilund, Gunn E., Jarl Koksvik, Anton Rikstad, and Hans M. Berger. 2010. “Cottus Gobio (Linnaeus, 1758), a New Fish-Species in Nord-Trøndelag County, Norway”. Fauna Norvegica 29 (January):55-60. https://doi.org/10.5324/fn.v29i0.612.