1. A Very Brief History of Hydraulic Technology during Antiquity;Mays,2008
2. Hydraulics and pneumatics: operational characteristics and control for modern industry applications;Papoutsidakis;Int. J. Comput. Appl.,2019
3. Knowledge, Technology, and Economic Growth during the Industrial Revolution;Mokyr,2000
4. Fluid Power Engineering;El-Din,2009
5. Proportional and Servo Valve Technology,2003