TY JOUR TI DELIVERY SCHEDULE MODEL OF ROAD-CONSTRUCTION MATERIALS IN THE LOGGING ROAD CONSTRUCTION KW logging automobile road KW road-construction materials KW supply of materials KW delivery schedule JO Bulletin of KSAU AU Skrypnikov, A.V. AU Kondrashova, E.V. AU Skvortsova, T.V. PY 2013 IS PB Krasnoyarsk State Agrarian University