1. Bolgov, M.V. and Sentsova, N.I., Bolgov, M.V., Fedorov, V.M., and Ismayilov, G.Kh., Bayesian assessments of design characteristics of the minimum river runoff under nonstationary conditions, Russ. Meteorol. Hydrol., 2010, no. 11, pp. 769–776.,
2. Bolgov, M.V., Fedorov, V.M., and Ismaiylov, G.Kh., Assessing the formation conditions of low-water periods in the Volga basin, Prirodoobustroistvo, 2009, no. 2, pp. 79–84.
3. Vodnye resursy Rossii i ikh ispol’zovanie (Water Resources of Russia and Their Use), Shiklomanov, I.A., Ed., St. Petersburg: Gos. Gidrol. Inst., 2008.
4. Vasil'ev, D.Yu., Lukmanov, R.L., Ferapontov, Yu.I., and Chuvyrov, A.N., Cyclicity of hydrometeorological characteristics: case study of Bashkiria, Dokl. Akad. Nauk, 2012, vol. 447, no. 3, pp. 331–334.
5. Vtoroi otsenochnyi doklad Rosgidrometa ob izmeneniyakh klimata i ikh posledstviyakh na territorii Rossiiskoi Federatsii. Federal’naya sluzhba po gidrometeorologii i monitoringu okruzhayushchei sredy (Second Roshydromet Appraisal Report on Climate Changes and Their Effects in Russian Federation Territory. Federal Service for Hydrometeorology and Environmental Monitoring), Moscow: Rosgidromet, 1008.