00553naa#a2200169#i#450# EN\\bibl\5734 20251214141832.7 2308-8877 20150318b2015####ek#y0engy0150####ca RUS RU Raft units lines for small and middle-level 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. naukaru.ru