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3. V. M. Mishon, M. V. Bolgov, and N. I. Sentsova, “The Upper Don River Basin: Hydrography, Hydrology, and Water Resources,” Trudy NII Geologii Voronezhskogo Gos. Universiteta, No. 23 (2005) [Trans. Research Institute of Geology of the Voronezh State University, No. 23 (2005)].
4. A. V. Rozhdestvenskii, “Calculation of Analytical Probability Curves from Heterogeneous Hydrological Information,” Trudy LGMI, No. 2 (1964) [Trans. Leningrad Hydrometeorological Institute, No. 2 (1964)].
5. A. V. Rozhdestvenskii, A. V. Ezhov, and A. V. Sakharyuk, Estimated Accuracy of Hydrological Design (Gidrometeoizdat, Leningrad, 1990) [in Russian].