@article {40616,
	title = {Recognition and delineation of paleokarst zones by the use of wireline logs in the bitumen-saturated Upper Devonian Grosmont Formation of northeastern Alberta, Canada},
	volume = {80},
	year = {1996},
	note = {Cited in Younie 2008, as 2006},
	pages = {695-712},
	publisher = {AAPG Bulletin},
	author = {Dembicki, Eugene A. and Machel, Hans G.}
}
