{"id":"001573884","type":"article","title":"Quarrying in antiquity, technology, tradition and social chnage","publisher":"Oxford Univ. Press","publisher-place":"London","container-title":"Procceedings of the British Academy, Vol. 57","author":[{"family":"Ward-Perkins","given":"J.B. 1912-1981."}],"issued":{"raw":"1972"}}