@article {41546,
	title = {Lithology, biostratigraphy and geochemistry of the Upper Devonian Graminia Formation, central Alberta},
	volume = {46},
	year = {1998},
	pages = {148-165},
	publisher = {Bulletin of Canadian Petroleum Geology},
	author = {Meijer Drees, N. C. and Johnston, D. I. and Fowler, M. G.}
}
