Седов, Є. М., and З. М. Серова. “Summarizing 60 Years of Apple Breeding Effort (Malus Domestica Borkh)”. Plant varieties studying and protection, no. 1(18) (February 12, 2013): 79–86. Accessed August 10, 2022. http://journal.sops.gov.ua/article/view/58767.