Федотов, Сергей Владимирович. “Professor F. N. Mil’kov. Chkalovsky Route”. Proceedings of Voronezh State University. Series: Geography. Geoecology0, no. 2 (June 7, 2021): 95-100. Accessed December 5, 2025. https://journals.vsu.ru/geo/article/view/3454.