TY JOUR TI Technological preconditions of concentration of transportations and processing of different types of forest products at the enterprises of a forest complex KW cranes KW assortments KW concentration KW low-grade wood KW transport and process streams JO Actual directions of scientific researches of the XXI century: theory and practice AU Sushkov, A.. PY 2014 IS 2 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov