1. G.W. Krutz, Patrick S.K. Chua, Water Hydraulics—Theory and Applications 2004, Workshop on Water Hydraulics, Proceedings of the Agricultural Equipment Technology Conference (AETC’04), Hyatt Louisville, Kentucky, 8–10 February, 2004.
2. Water hydraulics—the real World;Higgins;Industrial Robot,1996
3. Fluid power—progress in a key technology;Burrows;International Journal of JSME,1994
4. The torque on the input shaft of an axial-piston swash-plate type hydrostatic pump;Manring;Journal of Dynamic Systems, Measurement, and Control,1998
5. Torque on the Swashplate of an axial piston pump;Zeiger;Transactions of the ASME,1985