{"id":"000029864","type":"book","title":"Fission track ages and uranium contents of Obsidians. - o.O","container-title":"Zinruigaku Zassi : the journal of the Anthropological Society of Nippon ; 78.1970, no. 1, S. 50-57 : 4 Ill. ; 1 Tab","author":[{"family":"Suzuki","given":"Masao"}],"issued":{"raw":"1970"}}