@article{Shatokhin2014qualitative,
author={Shatokhin, I.. and Orobinskiy, V.. and Parfenov , A..},
title={Qualitative indicators of winnowing machine},
journal={Forestry Engineering Journal},
publisher={FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov},
year={2014},
pages={256-262},
volume={4},
issue={3},
}