@article {31123,
	title = {The origin of the oil sand bitumen of Alberta: a chemical and microbiological simulation study},
	volume = {41},
	year = {1977},
	pages = {1341-1353},
	publisher = {Geochimica et Cosmochimica Acta},
	author = {Rubinstein, I. and Strausz, C. and Spyckerelle, R. J. and Crawford, R. J. and Westlake, D. W. S.}
}
