@article {29259,
	title = {Geochemical investigation of oils in the western Canada tar belt},
	volume = {Research Report R270},
	year = {1973},
	institution = {Canada Department of Energy, Mines and Resources, Mines Branch, Fuels Research Centre},
	address = {Ottawa, Ont.},
	author = {Montgomery, D. S. and Clugston, D. M. and George, A. E. . and Smiley, G. T. and Sawatzky, H.}
}
