{"id":"001036315","type":"book","title":"The straight and narrow way: Fenland causeways and the conversion of the landscape in the Witham valley, Lincolnshire","publisher":"York Medieval Press","publisher-place":"York","pages":"271-288","container-title":"The cross goes north. Processes of conversion in Northern Europe, A.D. 300-1300","author":[{"family":"Stocker","given":"David"}],"issued":{"raw":"2003"}}