{"id":"001434177","type":"book","title":"De la marca superior de Al-Andalus al reino de Aragón, Sobrarbe y Ribagorza","publisher":"Caja de Ahorros y Monte de Piedad de Zaragoza, Aragón y Rioja","publisher-place":"Huesca","author":[{"family":"Durán Gudiol","given":"Antonio"}],"issued":{"raw":"1975"}}