%0 Journal Article %T Comparative study of the three sol–gel based solid phase microextraction fibers in extraction of BTEX from water samples using gas chromatography- flame ionization detection %A Sarafraz Yazdi, Ali %A PIRIMOGHADAM, HAMED %A Zarrin Es’haghi %A Sepehr, Soroosh %J Analytical Methods %@ 1759-9660 %D 2010