TY JOUR TI Calculation of the cost of maintenance and operation forest technique KW cost 1 machine-shifts KW the costs KW the organization of logging production JO Actual directions of scientific researches of the XXI century: theory and practice AU Bogdanov, A.. AU Ilintsev, A.. PY 2015 IS 3 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov