@article {33946,
	title = {Separation and characterization of clay from Athabasca asphaltene},
	volume = {62},
	year = {1983},
	pages = {353-362},
	publisher = {Fuel},
	author = {Ignasiak, T. M. and Kotlyar, L. and Longstaffe, F. J. and Strausz, O. P. and Montgomery, D. S.}
}
