@article {49017,
	title = {Source of heavy oils and tars in the Athabasca Oil Sands based on geochemistry and 4-D basin modeling},
	volume = {72},
	year = {2008},
	pages = {A538-A538},
	publisher = {Geochimica et Cosmochimica Acta},
	author = {Lewan, M. D. and Higley-Feldman, D. K. and Roberts, L. N. R. and Henry, M. E.}
}
