{"id":"001401894","type":"book","title":"Die Flintarten von Helgoland und die Benutzung von Helgoländer Plattenflint","publisher":"Leidorf","publisher-place":"Rahden/Westf","pages":"19-32","container-title":"Marschenratskolloquium 2012","author":[{"family":"Beuker","given":"J.R."}],"issued":{"raw":"2014"}}