@article {47753,
	title = {Detecting naphthenic acids in waters by gas chromatography-mass spectrometry},
	volume = {1140},
	year = {2007},
	pages = {225-229},
	publisher = {Journal of Chromatography A },
	author = {Merlin, Mireya and Guigard, Selma E. and Fedorak, Phillip M.}
}
