1. 1) Yamaguchi, A.: Lubrication in Oil-Hydraulic Equipment (in Japanese), Journal of Japan Society of Lubrication Engineers, Vol.31, No.10, p.685-690 (1986)
2. 2) Totten, G. E. and De Negri, V. J.: Handbook of Hydraulic Fluid Technology, Second Edition, CRC Press (2011)
3. 3) Shute, N. A. and Turnbull, D. E.: Minimum Power Loss of Hydrostatic Slipper Bearings for Axial Piston Machines, Proceedings of International Convention of Lubrication and Wear, p.3-14 (1963)
4. 4) Böinghoff, O.: Untersuchungen zum Reibungs-verhalten der Gleitschuhe in Schrägsch Eiben-Axialkolbenmaschinen, VDI-Forsch.-Heft, Vol.584, p.1-46 (1977)
5. 5) Hooke, C. J.: The Effects of Non-flatness on the Performance of Slippers in Axial Piston Pumps, Journal of Engineering Tribology, Proceedings of Institution of Mechanical Engineers, Prt.C, Vol.197, p.239-247 (1983)