@article{Perfilev2014optimization, author={Perfilev, P.. and Shtaborov, D..}, title={Optimization of technologies of timber rafting on the small rivers}, 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={235-239}, volume={2}, issue={3}, }