TY JOUR TI TO THE QUESTION OF THE ASSESSMENT OF PRODUCTIVITY OF THE ROLLING STOCK DEPENDING ON THE TERM OF ITS OPERATION KW coefficient KW operation KW use KW efficiency KW transportation JO Alternative energy sources in the transport-technological complex: problems and prospects of rational use of AU Almetova, Z.. AU Gerl, K.. PY 2016 IS 3 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov