@article {27038,
	title = {Exploitation of the Athabasca tar sands, Alberta},
	volume = {48},
	year = {1963},
	pages = {322-325},
	publisher = {Geography},
	url = {http://www.erudit.org/revue/GPQ/2004/v58/n1/013114ar.html},
	author = {Thomas, T. M.}
}
