Matlaj, L.M. “Calcareous Nannoplankton in Cretaceous and Cenozoic Deposits of the North-West Part of the Crimean Continental Slope”. Reports of the National Academy of Sciences of Ukraine, no. 1 (May 22, 2024): 66–73. Accessed November 2, 2024. https://nasu-periodicals.org.ua/index.php/dp/article/view/3137.