Kryazhimskii Feodor V., and Danilov Alexey N. “Reindeer in Tundra Ecosystems: The Challenges of Understanding System Complexity”. Polar Research 19, no. 1 (January 2, 2000): 107-110. Accessed February 15, 2025. https://polarresearch.net/index.php/polar/article/view/2191.