“Features of the course of pollination of the genus Betula L. in Ivano-Frankivsk during the period of 2013–2015” (2016) The Journal of V.N.Karazin Kharkiv National University. Series «Biology», 26, pp. 38–44. Available at: https://periodicals.karazin.ua/biology/article/view/6255 (Accessed: 25 October 2026).