TY JOUR TI THE ECONOMIC EFFICIENCY OF SCHEMES OF ORGANIZATION OF WORKS ON WINTER MAINTENANCE OF ROADS KW JO Voronezh Scientific-Technical Bulletin AU Skrypnikov, A.V. AU Vakulin, A.. PY 2012 IS 1 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov