Savko, Arkadiy D., and Aleksey V. Kraynov. “Evolution of Kaolinite Accumulation in the Phanerozoic”. Proceedings of Voronezh State University. Series: Geology0, no. 3 (October 5, 2021): 4-24. Accessed December 5, 2025. https://journals.vsu.ru/geology/article/view/3647.