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2. N. M. Bernadskii, River Hydraulics (Gosenergoizdat, Moscow-Leningrad, 1933) [in Russian].
3. V. A. Buzin, The Ice Jams and Jammed Flooding in Rivers (Gidrometeoizdat, St. Petersburg, 2004) [in Russian].
4. P. A. Vaganov, The Ecological Risk (Izd. SPbGU, St. Petersburg, 1999) [in Russian].
5. S. D. Vinnikov, “A Hydraulic Method for Estimating Jamming Ice Masses in River Flows,” Meteorol. Gidrol., No. 6 (1978) [Sov. Meteorol. Hydrol., No. 6 (1978)].