A. TARIEIEV, V. BOJKO, I. MOYSIYENKO, and I. KOSTIKOV, “Similarity of Betula borysthenica Klokov with intraspecific taxa of Betula pubescens Ehrh”., CBJ, vol. 9, no. 2, pp. 158–169, June 2013, Accessed: Nov. 15, 2026. Available: https://www.cbj.kspu.edu/index.php/cbj/article/view/380