%0 Journal Article %T Methods of determining the area of the tire contact patch logging machines %A Galaktionov, O.. %K forest machines, tire, contact patch, simulation. %J Actual directions of scientific researches of the XXI century: theory and practice %D 2015 %N 3 %P 3 %I FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov