00594naa#a2200181#i#450# EN\\bibl\66698 20250105112737.7 1998-8990 20151225b2015####ek#y0engy0150####ca RUS RU DETERMINATION OF IMPURITIES IN OILS BY THE METHOD INDUCTIVELY COUPLED PLASMA MASS SPECTROMETRY Journal article Saint-Petersburg Saint-Petersburg University of State Fire Service of Emercom of Russia 2015 6 с. Journal article local Ivakhniuk S G Rodionov V A journals.igps.ru