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2. Shock and Vibration Handbook;Harris,1976
3. Data Book of Metals;Iiizumi,1974
4. Study on lowering of noise and vibration in machine tools (IV);Ikuta;Re. of the Environmental Sc. Research Ins. Kinki Univ.,1985
5. Damping capacity of uni-directionally solidified Zn-Al eutectic ally;Ito;J. Jap. Ins. of Metal.,1979