TY JOUR TI Computer technology usage in the study of freight flow dynamic KW demand KW freightage KW freight flow KW computer technology JO Actual directions of scientific researches of the XXI century: theory and practice AU Kuzlo, N.. PY 2014 IS 2 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov