{"id":"000420117","type":"article","title":"Experimenteller Getreideanbau im Hambacher Forst, Gemeinde Elsdorf, Kreis Bergheim, Rheinland","pages":"305-344","container-title":"Bonner Jahrbücher, 180.1980","author":[{"family":"Lüning","given":"J."}],"issued":{"raw":"1980"}}