30. References
| 1. | The frequency resolution and time window of FFT analyzer when measuring loss factor of damping materials, written by Mr Nakazawa, Mr Inoue, Society of automotive engineers of Japan, Inc. | 
| 2. | “On the Use of Windows for Harmonic Analysis 
                  with the dissrete Fourier Transform”  PROCEEdING OF THE IEEE, VOL66, NO.1, JANUARY 1978  | 
              
| 3. | Comments on the characteristics time window, written by Kenichi Kido | 
| 4. | Comparison of damping characteristics measurement (2 layered damping materials), Society of damping Technology | 
| 5. | Study for the standardization of measuring dynamic characteristics of damping material, Japan machinery federation, Japan Automobile Research Institute | 
| 6. | Measurement, testing, evaluation of damping capacity, written by Shigeru Inoue  | 
              
| 7. | Loss factor measurement manual, Society of damping Technology  | 
              
| 8. | M.L.Williams,R.F.Landel and J.d.Ferry: J. America. Chem. Soc.,77,3701,1955 | 
| 9. | ISO 10112 damping materials - Graphical presentation of the complex modulus (1991-9-15) | 
| 10. | A.d.Nashif,d.I.G.Jones,J.P.Henderson: VIBRATION dAMPING, A Wiley - International publication,1985 | 
| 11. | Test and study for damping capacity of 2 layered damping materials, Society of damping Technology |