@article {46911,
	title = {Characterization of the charge carriers in bitumen},
	volume = {20},
	year = {2006},
	pages = {2099-2108},
	publisher = {Energy \& Fuels},
	author = {Goual, L. and Horvath-Szabo, G. and Masliyah, J. H. and Xu, Z.}
}
