“Ages of Formation Weathering Crusts and Connection With Deposits of Lateral Kaolins and Ceramic Clays Within Phanerozoic of the Voronezh Anticlise”. Proceedings of Voronezh State University. Series: Geology, no. 3 (August 12, 2019): 23–34. Accessed April 3, 2026. https://journals.vsu.ru/geology/article/view/1809.