TY JOUR TI TO IMPROVING ENVIRONMENTAL SAFETY RUNNING SYSTEM OF TRACKED VEHICLES KW ecological safety KW transport KW tracked vehicles KW caterpillar KW pull of the caterpillars KW weak soils JO Alternative energy sources in the transport-technological complex: problems and prospects of rational use of AU Semenov, A.. AU Dobretsov, R.. AU Bazhukov, A.. PY 2015 IS 2 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov