Stelmach, S. M. “SPREAD, CLASSIFICATION OF HUNTING LANDS, ABUNDANCE AND USE OF PINE MARTEN RESOURCES IN THE LVIV REGION”. Forestry and Forest Melioration, no. 131 (February 8, 2018): 194–202. Accessed April 15, 2021. http://forestry-forestmelioration.org.ua/index.php/journal/article/view/72.