@article {44186,
	title = {SAGD operations in the presence of overlying gas cap and water layer -effect of shale layers},
	volume = {41},
	year = {2002},
	pages = {40-51},
	publisher = {Journal of Canadian Petroleum Technology},
	url = {http://www3.interscience.wiley.com/cgi-bin/fulltext/119154779/PDFSTART},
	author = {Pooladi-Darvish, M. and Mattar, L.}
}
