VIKTORIN, Viktor. “THE LOWER REACHES OF THE VOLGA AND THE NORTHERN CASPIAN AT THE CROSSROADS: TIME AND PEOPLE, PAST AND PRESENT”. CENTRAL ASIA AND THE CAUCASUS 5, no. 3 (June 30, 2004): 90–97. Accessed July 16, 2024. https://ca-c.org/CAC/index.php/cac/article/view/503.