TY JOUR TI CHARACTERISTICS OF THE COST ANALYSIS METHODS FOR MAINLINE FREIGHT RAILWAY TRANSPORT KW costs KW method of cost-benefit analysis KW cost-killing KW standard-costing KW cost optimization KW mainline freight railway transport JO Vestnik of Astrakhan State Technical University. Series: Economics AU Pomazunova, T.. AU Kotova, T.. AU Chernikina, E.. PY 2017 IS PB Astrakhan State Technical University