@article {33720,
	title = {Biostratigraphy and paleontology of Middle-Upper Devonian boundary beds, Gypsum Cliffs area, northeastern Alberta},
	volume = {Bulletin 313},
	year = {1983},
	pages = {656},
	institution = {Geological Survey of Canada},
	author = {Norris, A. W. and Uyeno, Teruya}
}
