ГОЦУЄНКО, Л. М.; Поплавська С. X. Variety creation, its variety studying and preservation. Plant varieties studying and protection, [S. l.], n. 6, p. 88–96, 2007. DOI: 10.21498/2518-1017.6.2007.66041. Disponível em: http://journal.sops.gov.ua/article/view/66041. Acesso em: 10 dec. 2022.