{"id":"000027684","type":"book","title":"Mastodons, their geologic age and extinction in Ontario, Canada. - Ottawa, Ontario","container-title":"Canadian journal of earth sciences ; 4.1967, S. 663-675 : 1 Ill. ; 2 Tab","author":[{"family":"Dreimanis","given":"Aleksis"}],"issued":{"raw":"1967"}}