00560naa#a2200181#i#450# EN\\bibl\9728 20240907211812.6 2308-8877 20151203b2015####ek#y0engy0150####ca RUS RU Twin-lines of raft units Journal article Voronezh FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov 2015 3 с. Journal article local Posypanov S. V. Kudryavtsev G. naukaru.ru