%0 Journal Article %T The influence of vibration on the friction angle of the soil by working body %A Vasilenko, S.. %A Vasilenko, V.. %A Afonichev, D.N. %A Sturov, D.. %K friction coefficient, friction angle, draft resistance, body working plow, vibration of working body %J Forestry Engineering Journal %D 2013 %N 3 %P 2 %I FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov