00702naa#a2200181#i#450# EN\\bibl\131634 20260722114917.3 1998-8990 20260720b2026####ek#y0engy0150####ca RU IMPROVING THE ENVIRONMENTAL PERFORMANCE OF DIESEL ENGINES IN TRACTOR VEHICLES Journal article Saint-Petersburg Saint-Petersburg University of State Fire Service of Emercom of Russia 2026 11 с. Journal article local Тепловые двигатели (кроме паровых машин и паровых турбин). 621.4 Melbert Alla A. Mashenskaya Ekaterina A. journals.igps.ru