Mehlum , Fridtjof, and Eugene Potapov. “Small Mammals from the Koren Arctic Expedition to the Kolyma River, Northeast Siberia 1914-1918”. Polar Research 14, no. 1 (January 6, 1995): 1-14. Accessed April 5, 2026. https://polarresearch.net/index.php/polar/article/view/1930.