TY JOUR TI Calculation of traction and thrust of a wheeled skidder using data from foreign colleagues KW forest soils KW skidder KW traction coefficient KW traction coefficient KW rolling resistance coefficient KW bogie-track KW cone index KW deformation modulus. JO Actual directions of scientific researches of the XXI century: theory and practice AU Khitrov, E.G. AU Rudov, S.. AU Rudov, M.. AU Ustinov, V.. PY 2015 IS 3 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov