{"id":"000028288","type":"book","title":"A twentyfourthousand-year-old Jefferson mammoth from Midland County, Michigan. - Ann Arbor, MI","container-title":"Michigan academician ; 3.1970, no. 2, S. 95-99 : 3 Ill","author":[{"family":"Kapp","given":"Ronald O."}],"issued":{"raw":"1970"}}