{"id":"000096131","type":"article","title":"Estudio petrológico de seis hachas pulimentadas procedentes de El Ventorro (Madrid)","publisher-place":"Madrid","pages":"61-62","container-title":"Estudios de Prehistoria y Arqueología Madrileñas, 9.1994","author":[{"family":"Mingarro Martín","given":"Francisco."}],"issued":{"raw":"1994"}}