@article {34942,
	title = {Carboxylic acids bound to the mineral matter in heavy cretaceous oils of Alberta},
	volume = {2},
	year = {1986},
	pages = {223-231},
	publisher = {AOSTRA Journal of Research},
	author = {McIntyre, D. D. and Montgomery, D. S. and Strausz, O. P.}
}
