1. “The Size Effect in Metal Cutting”;Backer;Trans. ASME,1952
2. “Distribution of Abrasive Grains on Grinding Wheel Faces”;Red'ko;Machines and Tooling,1970
3. “A New Method of Characterizing Grinding wheels”;Kumar;Annals of the CIRP,1979
4. “A New Method of Studying the Performance of Grinding Wheels”;Kumar;ASME Journal of Engg. for Industry,1980
5. “Effective Number of Cutting Points”;Brecker,1971