1. The Mechanical Technology of Greek and Roman Antiquity;Drachmann,1963
2. The Ancient Docks on the Promontory of Sunion;Kenny,1947
3. The Origin of Gearing;Foley,1982
4. Greek and Roman Mechanical Water-lifting Devices: the History of a Technology;Oleson,1984
5. Water-power and technical progress in classical antiquity;Wikander,1990