Plyakin, Anatoliy M. “Memories of the Lectuters ‒ Geologists of the Voronezh State University”. Proceedings of Voronezh State University. Series: Geology0, no. 1 (March 23, 2023): 123-125. Accessed December 5, 2025. https://journals.vsu.ru/geology/article/view/11019.