%0 Journal Article %T Approvement of the winter bundling rafts composed of two-storeyed rafting units under the working conditions %A Posypanov, S.V. %K river, timber rafting, package, bundle, rafting unit, raft. %J Actual directions of scientific researches of the XXI century: theory and practice %D 2014 %N 2 %P 4 %I FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov