TY JOUR TI INFLUENCE OF VEGETABLE COMPONENTS FOR TRIBOLOGICAL PROPERTIES OF FUELS FOR AUTOTRACTOR DIESELS KW fuel KW component KW vegetable KW additive KW properties KW tribological JO Bulletin Samara State Agricultural Academy AU Bychenin, A.P. AU Chernikov, O.N. AU Prikazchikov, M.S. PY 2017 IS 2 PB Samara State Agrarian University