{"id":"000856223","type":"article","title":"Holocene evolution and geoarchaeology in the Ebro valley around Zaragoza (Northern Spain)","publisher":"Academia Press","publisher-place":"Ghent","pages":"241-256","container-title":"Ol' man river : geo-archaeological aspects of rivers and river plains","author":[{"family":"Constante-Orrios","given":"A."}],"issued":{"raw":"2009"}}