TY JOUR TI The main provisions of the choice of safety devices for forestry machines KW Forestry machine KW safety clutch KW overload KW working bodies JO Forestry Engineering Journal AU Borodin, N.A. AU Knyazev, A.V. AU Tkachev, V.V. AU Chetverikova, I.V. PY 2017 IS 6 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov