@article{Frolov2017the,
author={Frolov, I.S.},
title={The increase in the yield of commercial timber from round timber with internal rot},
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={109-117},
volume={6},
issue={2},
}