1. D.D. Joseph, L.N. Tao, J. Appl. Mech. Trans. ASME, Ser. E 88, 753 (1966)
2. J.J. Connor, J. Boyd, E.A. Avallone, Standard Handbook of Lubrication Engineering (McGraw-Hill, New York, USA, 1968)
3. S.A.T. Rizvi, Appl. Sci. Res. 10, 662 (1962)
4. M.R. Mohyuddin, Turk. J. Phys. 31, 123 (2007)
5. G.N. Purohit, P. Bansal, Ganita Sandesh 9, 55 (1995)