{"id":"001246895","type":"book","title":"Der Steinkohleabbau und die archäologische Denkmalpflege in Westfalen","pages":"509-514","container-title":"Kölner Jahrbuch für Vor- und Frühgeschichte, 24 (1991","author":[{"family":"Trier","given":"Bendix."}],"issued":{"raw":"1991"}}