@article {47713,
	title = {Characterization of naphthenic acids from Athabasca Oil Sands using electrospray ionization : the significant influence of solvents},
	volume = {79},
	year = {2007},
	pages = {6222-6229},
	publisher = {Analytical Chemistry},
	author = {Headley, John V. and Peru, Kerry M. and Barrow, Mark P. and Derrick, Peter J.}
}
