{"id":"001070300","type":"book","title":"Barley and horses: surplus and demand in the civitas Batavorum","publisher":"Oxbow Books","publisher-place":"Oxford","pages":"85-100","container-title":"TRAC 2008. Proceedings of the eighteenth annual Theoretical Roman Archaeology Conference, which took place at the University of Amsterdam 4-6 March 2008","author":[{"family":"Vossen","given":"Ivo"}],"issued":{"raw":"2009"}}