00540naa#a2200181#i#450# EN\\bibl\5173 20241130123055.6 2308-8877 20150316b2015####ek#y0engy0150####ca RUS RU Rafting units 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 Surov G. Shtaborov D. zh-szf.ru