@article {35830,
	title = {Comparative study of organic matter derived from Utah and Athabasca oil sands},
	volume = {67},
	year = {1988},
	pages = {1529-1535},
	publisher = {Fuel},
	author = {Kotlyar, L. S. and Ripmeester, J. A. and Sparks, B. D. and Woods, J.}
}
