@article {32160,
	title = {Pyrolysis of Athabasca tar sands: analysis of the condensible products from asphaltene},
	volume = {58},
	year = {1979},
	pages = {523-530},
	publisher = {Fuel},
	author = {Ritchie, R. G. and Roche, R. S. and Steedman, W.}
}
