Bocharov, Viktor L., Ol’ga A. Babkina, and Lyudmila N. Strogonova. “On the 90th Anniversary of Professor Alla Ya. Smirnova”. Proceedings of Voronezh State University. Series: Geology0, no. 1 (March 17, 2020): 131-134. Accessed December 15, 2025. https://journals.vsu.ru/geology/article/view/2522.