МатвєєвA. В., А. Д. Шоміна, І. В. Колосова, and В. В. Синєгубка. “Micropaleontological Characteristics of the Campanian-Maastrichtian Sediments in the Oskol River Basin”. Visnyk of V. N. Karazin Kharkiv National University, series "Geology. Geography. Ecology"0, no. 44 (December 15, 2016): 35-44. Accessed December 22, 2024. https://periodicals.karazin.ua/geoeco/article/view/7490.