@article{Malakhova2015perfection, author={Malakhova, E.. and Zheldak, V.I. and Proka, I.Y.}, title={Perfection ofsilviculturalmeasuresthe contentand use ofspruce forests, improving their sustainability andreducingthe negative effects ofthe pathology}, journal={Forestry Engineering Journal}, publisher={FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov}, year={2015}, pages={44-65}, volume={5}, issue={2}, }