Shubin I.A. Volga and Volga Shipping. History, Development and Modern State of Shipping and Shipbuilding. In Russian (ask us if in doubt)/Shubin I.A. Volga i volzhskoe sudokhodstvo. Istoriya, razvitie i sovremennoe sostoyanie sudokhodstva i sudostroeniya. M. Translate CNPS 1992 XIX and 908 p. SKUalb82fcdf3b1d6dabe5.