Smagol, V., and A. Dzhulai. “Changes in Weddell Seal Leptonychotes Weddellii (Phocidae) Behaviour at the First Stage of Ontogenesis”. Ukrainian Antarctic Journal, no. 1(17) (December 31, 2018): 113-118. Accessed May 3, 2024. http://uaj.uac.gov.ua/index.php/uaj/article/view/36.