1. B. H. Amstead, P. F. Ostwald and M. L. Begeman, Manufacturing Processes, John Wiley, New York, 1987.
2. G. A. Al-Kindi, R. M. Baul and K. F. Gill, ?An application of machine vision in the automated inspection of engineering surface?, International Journal of Production Research, 30, pp. 241?253, 1992.
3. F. Luk and V. Huynh, ?A vision system for in-process surface quality assessment?, Proceedings of the Vision '87 SME Conference, Detroit, Michigan, pp. 12-43?12-58, 1987.
4. D. E. P. Hoy and F. Yu, ?Surface quality assessment using computer vision methods?, Journal of Materials Processing Technology, 28, pp. 265?274, 1991.
5. W. Scott and R. M. Baul, ?Preliminary evaluation of proximity transducer for the measurement of surface texture?, International Conference on Metrology and Properties of Engineering Surfaces, Wear, 57, pp. 33?38, 1980.