TY JOUR TI Wearing ability of soils and its effect on the durability of the working bodies of tillage machines KW soil KW tillage machines KW working bodies KW abrasion JO Forestry Engineering Journal AU Pozdnyakov, E.. PY 2013 IS 3 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov