@article {31528,
	title = {Microscopic changes in coal-based catalysts used in hydrocracking of Athabasca bitumens},
	volume = {57},
	year = {1978},
	pages = {722-726},
	publisher = {Fuel},
	author = {Nandi, B. N. and Pruden, B. B. and Parson, B. I.}
}
