@article{Rozhkova2015on, author={Rozhkova, E..}, title={On factors affecting the payback period for the construction of an alternative crossing the Irtysh river}, 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={63-66}, volume={3}, issue={6}, }