TY CONF TI JUSTIFICATION OF THE EFFECTIVENESS OF USING SEMI-TRACKED TRACTORS IN LOGGING AND FORESTRY OPERATIONS KW wheeled forestry machines KW low-volume logging KW semitracked tractors JO ENERGY-SAVING AND ENVIRONMENTALLY FRIENDLY TECHNOLOGIES IN THE FORESTRY INDUSTRY AU Dmitriev, A.S. AU Kunitskaya, O.A. AU D'yachenko, V.M. PY 2024 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov