TY JOUR TI On factors affecting the payback period for the construction of an alternative crossing the Irtysh river KW Pontoon bridge KW payback period. JO Actual directions of scientific researches of the XXI century: theory and practice AU Rozhkova, E.. PY 2015 IS 3 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov