@article {37870,
	title = {Competitive adsorption of humic acid and asphaltenes on cation exchanged model clays},
	volume = {Divisional report CRL 91-7 (TR)},
	year = {1991},
	note = {cited, Advances in oil sands tailings research, 1995},
	institution = {CANMET},
	author = {Angel, C. W. and Hamza, H. A.}
}
