Chygrynets, V. P., V. A. Ihnatenko, and P. B. Tarnopilsky. “FOREST TYPOLOGY STRUCTURE AND PRODUCTIVITY OF PEDUNCULATE OAK FOREST STANDS OF DIFFERENT ORIGIN IN THE SUMY REGION”. Forestry and Forest Melioration, no. 126 (February 8, 2018): 122–131. Accessed November 22, 2024. http://forestry-forestmelioration.org.ua/index.php/journal/article/view/188.