@article {48614,
	title = {Distinguishing solid bitumens formed by thermochemical sulfate reduction and thermal chemical alteration},
	volume = {39},
	year = {2008},
	pages = {1137-1143},
	publisher = {Organic Geochemistry},
	author = {Kelemen, S. R. and Walters, C. C. and Kwiatek, P. J. and Afeworki, M. and Freud, H. and Pottorf, R. J. and Machel, H. G. and Zhang, T. and Ellis, G. S. and Tang, Y. and Peters, K. E.}
}
