Ignatyev, S. M., and A. P. Fedchuk. “Long-Term Dynamics of Abundance of Gentoo Penguins Pygoscelis Papua (Forst). And Increase of the Antarctic Tourism in Region of the Station Academic Vernadsky”. Ukrainian Antarctic Journal, no. 4-5 (December 15, 2006): 223-231. Accessed November 23, 2024. http://uaj.uac.gov.ua/index.php/uaj/article/view/545.