1. C.R. Liu, S. Mittal, Method of manufacturing a component, US Patent 5878496, 1999.
2. C.R. Liu, Single-step finishing, Presented at the McGill Manufacturing Company and Timken Company, October 1989.
3. Residual stress in the machined surface of hardened steel;Matsumoto;High Speed Machining,1984
4. Cutting mechanism during machining of hardened steel;Matsumoto;Materials Science and Technology,1987
5. Hard turning—influences on the workpiece properties;Tonshoff;Transactions of NAMRI/SME,1995