“Jurassic System Stratigraphy at the Kamianka Village. Part 4. The Kamianska Formation”. Visnyk of V. N. Karazin Kharkiv National University. Series Geology. Geography. Ecology, no. 64 (May 30, 2026): 78–94. Accessed October 30, 2026. https://periodicals.karazin.ua/geoeco/article/view/30515.