@article{Bogdanov2015calculation,
author={Bogdanov, A.. and Ilintsev, A..},
title={Calculation of the cost of maintenance and operation forest technique},
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={2015},
pages={111-114},
volume={3},
issue={9},
}