Телепенько, Ю. Ю. “Frost-Resistance of the Blackberry (<i>Rubus</i> Subg. <i>Eubatus</i≫ Focke) Cultivars in the Forest-Steppe Zone of Ukraine”. Plant varieties studying and protection 14, no. 1 (March 21, 2018): 124–131. Accessed May 6, 2024. https://journal.sops.gov.ua/article/view/126521.