{"id":"001257605","type":"book","title":"Aspekte zu Produktion und Verarbeitung von Birkenpech","publisher-place":"Berlin","pages":"11-13","container-title":"Acta Praehistorica et Archaeologica, 23 (1991","author":[{"family":"Czarnowski","given":"Eckardt"}],"issued":{"raw":"1991"}}