@article {33094,
	title = {Microstructure of Athabasca bituminous sand by freeze-fracture preparation and transmission electron microscopy},
	volume = {60},
	year = {1981},
	pages = {619-623},
	publisher = {Fuel},
	author = {Zajic, J. E. and Cooper, D. G. and Marshall, J. A. and Gerson, D. F.}
}
