Reimers, Eigil, RøedKnut H., Øystein Flaget, and Eivind Lurås. “Habituation Responses in Wild Reindeer Exposed to Recreational Activities”. Rangifer 30, no. 1 (March 1, 2010): 45-59. Accessed February 22, 2020. https://septentrio.uit.no/index.php/rangifer/article/view/781.