Zhigulina, E. V. “Landscape and Recreational Load of the Left Bank of the Tikhaya Sosna River Valley in the Town of Ostrogozhsk, Voronezh Region”. Proceedings of Voronezh State University. Series: Geography. Geoecology, no. 3, Nov. 2023, pp. 4-12, doi:10.17308/geo/1609-0683/2023/3/4-12.