{"id":"001009835","type":"book","title":"Otium et negotium: the great estates, 4th-7th century","publisher":"The Trustees of the British Museum","publisher-place":"London","pages":"19-32","container-title":"The transformation of the Roman world, A : D. 400-900","author":[{"family":"Arce","given":"Javier"}],"issued":{"raw":"1997"}}