TY JOUR TI Durabilities research solid-state models of soil-cultivating working bodies KW CAD KW solid-state modelling KW soil-cultivating tools KW durabilities calculations. JO Actual directions of scientific researches of the XXI century: theory and practice AU Shabanov, M.L. AU Lysych, M.N. AU Khorolskiy, N.. PY 2014 IS 2 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov