Thingstad, P., Hogstad, O. and Speed, J.D.M. 2015. The influence of climatic conditions in breeding grounds and migratory flyways on a subalpine Norwegian Willow Warbler (Phylloscopus trochilus) population. Ornis Fennica. 92, 1 (Mar. 2015), 23–33. DOI:https://doi.org/10.51812/of.133865.