Gorbunov, L. V. “Reproducibility of Results for Cryopreservation of Different Variety Cuttings of Pomefruit Trees”. Problems of Cryobiology and Cryomedicine 19, no. 4 (December 23, 2009): 473–480. Accessed January 29, 2023. https://cryo.org.ua/journal/index.php/probl-cryobiol-cryomed/article/view/236.