5Frysinger, G. S., Gaines, R. B., Ledford Jr, E. B. Quantitative determination of BTEX and total aromatic compounds in gasoline by gasoline by comprehensive two-dimensional Gas ghromatography (GCxGC) [J]. Journal of High Resolution Chromatography,1999,22(4) : 195-200.
6ASTII D7169-05, Standard test method for boiling point distribution of sample with residuces such as crude oils and atmospheric and vaccum rdsiduces by high temperature gas chromatography[ S].