LAVRINENKO, K. V.; ZINENKO, O. I.; GAVRILYUK, M. N. Finding of the Steppe Viper in Cherkasy Oblast, Ukraine. Cherkasy University Bulletin: Biological Sciences Series, [S. l.], n. 2, p. 46–50, 2019. Disponível em: https://bio-ejournal.cdu.edu.ua/article/view/3590. Acesso em: 7 jun. 2026.