1. Dobrovol’skii, S.G., Year-to-year and many-year runoff variations in world rivers, Water Resour., 2011, vol. 38, no. 6, pp. 693–708.
2. Dobrovol’skii, S.G., Global’nye izmeneniya rechnogo stoka (Global Variations of River Runoff), Moscow: Geos, 2011.
3. Dobrovol’skii, S.G., Global’naya gidrologiya. Protsessy i prognozy (Global Hydrology. Processes and Forecasts), Moscow: Geos, 2017.
4. Domanitskii, A.P., Dubrovina, R.G., and Isaeva, A.I., Reki i ozera Sovetskogo Soyuza: Spravochnye dannye (Rivers and Lakes of the Soviet Union: Reference Data), Sokolov, A.A, Ed., Leningrad: Gidrometeoizdat, 1971.
5. Kolmogorov, A.N., Osnovnye ponyatiya teorii veroyatnostei (Main Concepts of the Theory of Probability), Moscow: Nauka, 1974.