{"id":"000832192","type":"book","title":"Mineralogische und petrographische Untersuchungen an vor- und frühgeschichtlichen Gegenständen","publisher":"Akad.Verl.","publisher-place":"Berlin","container-title":"Ausgrabungen und Funde, 6.1961: S. 314-316","author":[{"family":"Otto","given":"Helmut"}],"issued":{"raw":"1961"}}