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2. R. Gilmore, Ultrasonic machining of ceramics, SME Paper MS90-346, 1990, p. 12.
3. Ultrasonic Cutting;Rozenberg,1964
4. Ultrasonic-manufacturing process: ultrasonic machining (USM) and ultrasonic impact grinding (US1G);Kohls;Carbide Tool J.,1984
5. Manufacturing Technology;Haslehurst,1981