@article {48385,
	title = {A derivatisation and liquid chromatography/electrospray ionisation multistage mass spectrometry method for the characterisation of naphthenic acids},
	volume = {22},
	year = {2008},
	pages = {3909-3927},
	publisher = {Rapid Communications in Mass Spectrometry},
	author = {Smith, B. E. and Rowland, S. J.}
}
