{"id":"001022309","type":"book","title":"Dutch towns in the formative period (AD 1000-1400)","publisher":"Van Gorcum","publisher-place":"Assen","pages":"183-198","container-title":"Medieval archaeology in the Netherlands. Studies presented to H.H. van Regteren Altena","author":[{"family":"Sarfatij","given":"Herbert"}],"issued":{"raw":"1990"}}