00572naa#a2200169#i#450# EN\\bibl\5736 20260105093029.1 2308-8877 20150318b2015####ek#y0engy0150####ca RUS RU Forming of rafts in navigation season at middle-level and small rivers Journal article Voronezh FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov 2015 4 с. Journal article local Posypanov S. V. zh-szf.ru