“Paleogeographic Conditions for the Accumulation of the Middle Callovian Deposits in the Nikitino Section (Ryazan Region)”. Proceedings of Voronezh State University. Series: Geology, no. 4 (December 26, 2022): 134–139. Accessed March 30, 2026. https://journals.vsu.ru/geology/article/view/10708.