@booklet {23156,
	title = {The contact history of the Subarctic Athapaskans : an overview},
	year = {1975},
	note = {In Proceedings: Northern Athapaskan Conference, 1971 Vol 1. A. Clark National Museum of Canada, Mercury Series, Canadian Ethnology Service Paper, No. 27. Ottawa: National Museum of Man},
	pages = {302-349},
	address = {Ottawa: National Museum of Man},
	keywords = {Athapaskans, subarctic},
	author = {Helm, June and Alliband, Terry and Birk, Terry and Lawson, Virginia and Reisner, Suzanne and Sturtevant, Craig and Witkowski, Stanley}
}
