00614naa#a2200193#i#450# EN\\bibl\6081 20241212224931.4 1992-5980 20150630b2015####ek#y0engy0150####ca RUS RU Effect of copper nanoclusters on the tribological properties of steel-steel friction pair in alcohol aqueous solutions Journal article rostov on don Don state technical University 2015 6 с. Journal article local Kosogova Yuliya Burlakova Viktoria Drogan Ekaterina naukaru.ru