1. Cornish R. F. ‘Wear of Tapered Roller Bearings.’ Presented at the 1969 Wear Conference of the American Society for Metals
2. Breakdown of EP Gear Lubricants in Pinion Bearings;Ellis,1961
3. Widner R. L., and Wolfe J. O. ‘Analysis of Tapered Roller Bearing Damage. ASM Technical Report No. C7-11.1, presented at the 1967 National Metal Congress, Cleveland, Ohio
4. Contaminated Lubricants and Tapered Roller Bearing Wear;Fitzsimmons,1974
5. Effects of Solid Particles in Oil on the Life of Ball Bearings;Okamoto;J. of Mech. Eng. Lab., Tokyo, Japan,1972