@article{Popov2014modern,
author={Popov, I..},
title={Modern development of designs of tree planting machines abroad},
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={203-216},
volume={4},
issue={2},
}