00618naa#a2200193#i#450# EN\\bibl\66487 20241125064925.1 1998-8990 20131225b2013####ek#y0engy0150####ca RUS RU DETERMINATION OF HETEROATOMIC COMPOUNDS IN OILS BY GAS CHROMATOGRAPHY-MASS-SPECTROMETRY Journal article Saint-Petersburg Saint-Petersburg University of State Fire Service of Emercom of Russia 2013 4 с. Journal article local Mitiukhina A D Ivakhniuk S G Smirnov A S journals.igps.ru