Ivanova, Natalya Sergeevna. “Biodiversity of Old-Growth Coniferous Forests in the Ural Mountains”. International Journal of Bio-resource and Stress Management 10, no. Jun, 3 (June 4, 2019): 251–256. Accessed September 21, 2025. https://ojs.pphouse.org/index.php/IJBSM/article/view/3822.