@article{Pavlov2015tendencies,
author={Pavlov, A.. and Kopylov, V..},
title={Tendencies in the application of spike-tooth  and spring-toothharrow  },
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={156-160},
volume={3},
issue={1},
}