@conference {23158,
	title = {Problems in the Prehistory of the North American Subarctic. The Athapaskan Question},
	year = {1977},
	note = {Spine title: The Athapaskan question. Proceedings of the 9th annual conference, University of Calgary Archaeological Association, 1976.},
	address = {University of Calgary Department of Archeology},
	keywords = {Athapaskan, North American subarctic, prehistory},
	author = {Helmer, James and Van Dyke, S. and Kense, F.J.},
	editor = {University of Calgary. Archaeological Association.}
}
