Staaland, Hans, Torstein Garmo, Knut Hove, and Øyvind Pedersen. “Mushrooms: An Important Route of Radiocaesium Transfer from Soil to Grazing Reindeer”. Rangifer 10, no. 4 (September 1, 1990): 37. Accessed April 18, 2021. https://septentrio.uit.no/index.php/rangifer/article/view/910.