TY JOUR TI Research of durability of soil-cultivating working bodies in the program Cosmosworks KW CAD KW COSMOSWorks 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 Konskiy, A.. PY 2014 IS 2 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov