G.A.Artur, E. Mussin, А.S. Kalauova, А.А Nazhetova, & R.N. Nasirov. (2019). SOME REGULARITIES OF THE DISTRIBUTION OF THE CONTENT OF FREE RADICALS AND VANADIUM (IV) IN OIL BY GEOLOGICAL SECTIONS OF THE EMBA REGION DEPOSITS. Известия НАН РК. Серия химии и технологии, (3), 84–88. извлечено от http://89.250.84.46/chemistry-technology/article/view/1314