{"id":"000027132","type":"book","title":"Culture contact in the Bering Sea : Birnirk-Punuk period. - Calgary","container-title":"Arctic Institute of North America <Calgary> : technical paper ; 11.1962, S. 27-34 : 4 Ill","author":[{"family":"Ackerman","given":"Robert E."}],"issued":{"raw":"1962"}}