@article {29858,
	title = {Trois exemples d{\textquoteright}{\'e}tude du Frasnian d{\textquoteright}Alberta, Canada},
	volume = {11},
	year = {1974},
	pages = {293-336},
	publisher = {Notes Mem. Cie Fr. Petrol.},
	author = {Desbordes, B. and Maurin, A. F.}
}
