bibliographicCitation |
Ezquerro O, Ortiz G, Pons B, Tena MT. Determination of benzene, toluene, ethylbenzene and xylenes in soils by multiple headspace solid-phase microextraction. J Chromatogr A. 2004 Apr 30;1035(1):17–22. doi: 10.1016/j.chroma.2004.02.030. PMID: 15117069. |