{"id":"001268424","type":"book","title":"Untersuchung von Teer und Pech: archäologische Fragestellungen, archäometrische Möglichkeiten","publisher-place":"Berlin","pages":"97-102","container-title":"Acta Praehistorica et Archaeologica, 23 (1991","author":[{"family":"Ruthenberg","given":"Klaus"}],"issued":{"raw":"1991"}}