%0 Journal Article %T Use of a systematic approach to support the design parameters skidder %A Yakovlev, K.. %K system approach, tractor, justification, design data %J Voronezh Scientific-Technical Bulletin %D 2015 %N 4 %P 8 %I FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov