@article {34427,
	title = {Viscosity models of gas-free Athabasca bitumen},
	volume = {23},
	year = {1984},
	pages = {47-53},
	publisher = {Journal of Canadian Petroleum Technology},
	author = {Khan, M. A. B. and Mehrotra, A. K. and Svrcek, W. Y.}
}
