{"id":"001290456","type":"book","title":"Construction of early dikes in the clay district of Lower Saxony (Bau von frühen Deichen in den Marschen des Küstengebietes von Niedersachsen)","pages":"313-318","container-title":"Siedlungsforschung, 25 (2007","author":[{"family":"Ey","given":"Johannes"}],"issued":{"raw":"2007"}}