V. KYYAK, “Ecological and biological peculiarities of the rare plant species small populations at the high mountain zone of the Ukrainian Carpathians”, CBJ, vol. 4, no. 2, pp. 251–263, Nov. 2008, Accessed: Nov. 15, 2026. Available: https://www.cbj.kspu.edu/index.php/cbj/article/view/666