TY JOUR TI Rigging for the raft of flat units KW оptimization KW units for the alloy KW timber KW rigging. JO Actual directions of scientific researches of the XXI century: theory and practice AU Perfilev, P.. AU Kartashov, A.. PY 2015 IS 3 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov