{"id":"001024871","type":"book","title":"Castles at sea","publisher":"The National Museum of Denmark, Copenhagen","publisher-place":"Copenhagen","pages":"47-56","container-title":"Maritime warfare in Northern Europe. Technology, organisation, logistics and administration 500 BC-1500 AD. Papers from an International Research Seminar at the Danish National Museum, Copenhagen, 3-5 May 2000","author":[{"family":"Bill","given":"Jan"}],"issued":{"raw":"2002"}}