1. “The Role of Wheel-Work Deflection in Grinding Operations”;Kumar;Trans. ASME. Journal of Engineering for Industry,1981
2. “The Red Contact Length in Cylindrical Plunge Grinding”;Verkerk;Annals of CIRP,1975
3. “New Evidence on the Contact Zone in Grinding - Contact Length. Sliding mid Cutting Regions”;Gu;Annals of CIRP,1988
4. Zhou, Z., Fu, X., Gu, D., “Study on Maximum and Ordinary Contact Length in Surface Grinding”. Abrasive. Abrasive Tool and Grinding Journal, No. 2. 1985. China.
5. “An Examination of the Wheel-Work Interface Using an Explosive Device to suddenly Interrupt the Surface Grinding Process”;Brown;Annals of CIRP,1977