Matlaj, L.M. “Biostratigraphic Characterization of the Jurassic Deposits of the Flat Crimea and the Near-Sivash Region”. Reports of the National Academy of Sciences of Ukraine, no. 2 (February 28, 2018): 71–84. Accessed July 11, 2026. https://nasu-periodicals.org.ua/index.php/dp/article/view/2546.