@conference {53845,
	title = {Technical and economic obstacles to the future development of tar sands and heavy oils},
	year = {1981},
	note = {IN:  The Future of Heavy Crude and Tar Sands.  Proceedings of the 1st UNITAR International Conference on Heavy Crude and Tar Sands.  June 4-12, 1979. Edmonton, Alberta.  Meyer R.F. and C.T. Steele (Eds.).   Chapter 100.  pp. 810-823.},
	month = {06/1979},
	pages = {13 pages },
	address = {Edmonton, AB },
	keywords = {economics, overview, risk, risk analysis},
	author = {Giguere, R. J.}
}
