TY JOUR TI Modeling of operation of soil-cultivating tools in the conditions of cuttings down KW CAD KW solid-state modelling KW soil-tilling implements JO Actual directions of scientific researches of the XXI century: theory and practice AU Shabanov, M.L. AU Lysych, M.N. AU Levishchev, I.. PY 2014 IS PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov