Hesthagen, T., Bolstad, G.H. and Kleiven, E. 2018. Distribution of non-native brook trout (Salvelinus fontinalis) across Norwegian waterbodies – is it an invasive species?. Fauna norvegica. 38, (Jan. 2018), 1-8. DOI:https://doi.org/10.5324/fn.v38i0.2255.