{"id":"000312728","type":"book","title":"La cronología de las fortificaciones de Barcino en el Bajo Imperio","publisher-place":"Zaragoza","pages":"227-230","container-title":"IV Congreso Nacional de Arqueología, Burgos 1955","author":[{"family":"Balil","given":"Alberto 1928-1989."}],"issued":{"raw":"1957"}}