(1)
Tømmervik, H.; Høgda, K.-A.; Riseth, J. Åge; Karlsen, S.-R.; Wielgolaski, F. E. Growing season changes in Fennoscandia and Kola peninsula during the period 1982 to 1999 - Implications for reindeer husbandry (In Norwegian with Summary in English). Ran 2005, 25, 89-98.