TY JOUR TI Dynamic criteria of efficiency of cars timber production KW time KW technology KW speed JO Actual directions of scientific researches of the XXI century: theory and practice AU Belenkiy, Y.. AU Bazarov, S.. AU Solovev, A.. PY 2014 IS 2 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov