Porohnyach, I. V. “FEATURES OF TREE MORTALITY AFTER TENDING FELLING IN SPRUCE STANDS IN NOVGOROD-SEVERSKIY POLISSYA”. Forestry and Forest Melioration, no. 131 (December 27, 2017): 40–46. Accessed November 22, 2024. http://forestry-forestmelioration.org.ua/index.php/journal/article/view/33.