Stribul, T. F., N. A. Shevchenko, and L. F. Rozanov. “Studying the Effect of Potato Cold Hardening on Integrity of Meristems, Cryopreserved by Slow Freezing”. Problems of Cryobiology and Cryomedicine, vol. 16, no. 1, Mar. 2006, pp. 60-65, https://cryo.org.ua/journal/index.php/probl-cryobiol-cryomed/article/view/617.