@article {49532,
	title = {Mass spectrometric characterization of naphthenic acids in environmental samples : a review},
	volume = {28},
	year = {2009},
	pages = {121-134},
	publisher = {Mass Spectrometry  Reviews},
	url = {http://www3.interscience.wiley.com/cgi-bin/fulltext/121357189/PDFSTART},
	author = {Headley, J. V. and Peru, K. M. and Barrow, M. P.}
}
