Ustsky, I. M., O. A. Mykhailichenko, V. A. Dyshko, and A. A. Mostepanuk. “) Bref”. Forestry and Forest Melioration, no. 139 (December 23, 2021): 139–145. Accessed November 23, 2024. http://forestry-forestmelioration.org.ua/index.php/journal/article/view/328.