Tømmervik, H., Høgda, K.-A., Riseth, J. Åge, Karlsen, S.-R. and Wielgolaski, F.E. 2005. Growing season changes in Fennoscandia and Kola peninsula during the period 1982 to 1999 - Implications for reindeer husbandry (In Norwegian with Summary in English). Rangifer. 25, 3 (Apr. 2005), 89–98. DOI:https://doi.org/10.7557/2.25.3.1743.