@article{Kholkina2014determination,
author={Kholkina, N.. and Razumov, E.. and Pekmenov, V.. and Mikryukova, E..},
title={Determination of the yield of lumber produced of logs, with several quality areas},
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={196-200},
volume={2},
issue={5},
}