TY CONF TI INVESTIGATION OF SKIDDING MACHINES BY METHODS MULTIDIMENSIONAL ANALYSIS KW forest machines KW skidding KW multidimensional analysis JO ENERGY-SAVING AND ENVIRONMENTALLY SAFE TECHNOLOGIES OF THE TIMBER INDUSTRY – 2025 AU Chetverikova, I.V. AU Zimarin, S.V. AU Ponomarev, P.I. PY 2025 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov