@article{Grigorev2014increase, author={Grigorev, I.. and Grigoreva, O.I.}, title={Increase of ecological efficiency of silvicultural production}, 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={51-54}, volume={2}, issue={3}, }