@article{Ushnickiy2017determination,
author={Ushnickiy, A.A. and Grigor'ev, M.F.},
title={Determination of flexure arrow a felled tree},
journal={Forestry Engineering Journal},
publisher={FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov},
year={2017},
pages={105-109},
volume={6},
issue={2},
}