Yatsyk, R. M., T. R. Yunyk, and A. S. Shtohryn. “PROSPECTS CULTIVATED CONIFEROUS ON THE TERRITORY STATE ARBORETUMS OF THE IVANO-FRANKIVSK REGION”. Forestry and Forest Melioration, no. 129, Feb. 2018, pp. 84-92, http://forestry-forestmelioration.org.ua/index.php/journal/article/view/114.