Vyzhva, S., V. Mykhailov, and I. Onischuk. 2017. “Petrophysical Features of Maikop Series of the Crimean-Black Sea Region”. Visnyk of Taras Shevchenko National University of Kyiv. Geology 4 (79): 12-20. https://doi.org/10.17721/1728-2713.79.02.