{"id":"001032681","type":"book","title":"Mittelalterliche Häfen an der Nordsee zwischen 1000 und 15000","publisher":"Verlag für Bauwesen","publisher-place":"Berlin","pages":"187-197","container-title":"Stadtbaukunst im Mittelalter : (Kolloquium Meissen 1985","author":[{"family":"Clarke","given":"Helen."}],"issued":{"raw":"1990"}}