TY JOUR TI Novel design of rafts composed of flat rafting units KW raft KW flat rafting unit KW timber rafting rigging JO Actual directions of scientific researches of the XXI century: theory and practice AU Shtaborov, D.. AU Barabanov, V.. AU Surov, G.. PY 2015 IS 3 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov