{"id":"001008847","type":"book","title":"Favourable conditions for cattle farming, one reason for the Anglo-Saxon migration over the North Sea?","publisher":"Stichting Promotie Archeologie","publisher-place":"Zwolle","pages":"129-144","container-title":"In discussion with the past. Archaeological studies presented to W. A. van Es","author":[{"family":"Zimmermann","given":"W. Haio"}],"issued":{"raw":"1999"}}