00489naa#a2200169#i#450# EN\\bibl\4347 20241227153135.5 1992-5980 20141231b2014####ek#y0engy0150####ca RUS RU DIFFUSION AND SEGREGATION PROCESSES IN HEAVY-LOADED FRICTION UNITS Journal article rostov on don Don state technical University 2014 7 с. Journal article local Kolesnikov Igor naukaru.ru