@article{Makarenko2014rationale,
author={Makarenko, A.N.},
title={Rationale parameters of working bodies of tillers with variable angles of working surfaces},
journal={Actual directions of scientific researches of the XXI century: theory and practice},
publisher={FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov},
year={2014},
pages={236-240},
volume={2},
issue={5},
}