{"id":"000996517","type":"book","title":"Technology and agricultural expansion in the middle ages: the example of France north of the Loire","publisher":"Brill","publisher-place":"Leiden/New York/Köln","pages":"11-39","container-title":"Medieval farming and technology : The impact of agricultural change in Northwest Europe","author":[{"family":"Comet","given":"Georges."}],"issued":{"raw":"1997"}}