{"id":"001343688","type":"book","title":"La Cueva de los Grajos y sus pinturas rupestres, en Cieza (Murcia)","publisher":"Seminario de Prehistoria y Protohistoria, Facultad de Filosofía y Letras","publisher-place":"Zaragoza","author":[{"family":"Beltrán Martínez","given":"Antonio"}],"issued":{"raw":"1969"}}