1. Al-Balushi, R. and Samanta, B., 2002, “Gear Fault Diagnosis Using Energy-based Features of Acoustic Emission Signals,”Journal of Systems and Control Engineering, Vol. 216, pp. 249–263.
2. Dalpiaz, G. and Rivola, A., 1997, “Condition monitoring and Diagnostics in Automatic machines: Comparison of Vibration Analysis Techniques,”Mechanical Systems and Signal Processing, Vol. 11, No. 1, pp. 53–73.
3. Hong, J. -C., Kim, Y. Y., Lee, H. C., and Lee, Y. W., 2002, “Damage Detection Using the Lipschitz Exponent Estimated by the Wavelet Transform: Application to vibration modes of a beam,”International Journal of Solids and Structures, 39 (2002), pp. 1803–1816.
4. Jardine, A. K. S., Lin, D. and Banjevic, D., 2006, “A Review on Machinery Diagnostics and Prognostics Implementing Condition-based Mainte-nance,”Mechanical Systems and Signal Processing, Vol. 20, No. 7, pp. 1483–1510.
5. Kuoppala, R. J., Jantunen, E. O. and Enwald, P. A., 1991, “Condition Monitoring Methods for Rotating Machinery,”Operational Reliability and Systematic Maintenance, Elsevier Applied Science, New York.