@article {36338,
	title = {Characterization of the humic-clay complex and its influence on bitumen displacement from Athabasca oil sand},
	volume = {28},
	year = {1989},
	pages = {57-62},
	publisher = {Journal of Canadian Petroleum Technology},
	author = {Margeson, J. L. and Hornof, V. and Neale, G. H.}
}
