1. Halling, J. andNuri, K.A., “The Elastic Contact of Rough Surfaces and its Importance in the Reduction of Wear,”Proc. Inst. Mech. Eng.,199 (C2),139–144 (1985).
2. Aronov, V., D'Souza, A.F., Kalpakjian, S. andShareef, I., “Interactions Among Friction, Wear, and System Stiffness,”J. Tribology, Trans. ASME,106,59–63 (Jan.1984).
3. Mason, W.P. andThuston, R.N., “Interaction of Light with Ultrasound: Phenomena and Applications,”Academic Press, New York,VII,Chapt. 5 (1970).
4. “Interaction with Light Waves: Scanning of Elastic Waves by a Narrow Optical Beam,” Handbook of Surface and Interfaces, ed. L. Dobrzynski, Carl and STPM Press, New York (1978).
5. Surface Study with Lasers;F.R. Aussenegg,1983