1. Motor diagnostics: technological drivers leading to 21st century predictive diagnostic;Discenzo,1997
2. S. Cambrias, S.A. Rittenhouse, Genetic guidelines for life extension of plant electrical equipment, Electric Power Research Institute Rep. EL-5885, July 1988.
3. Motor Application and Maintenance Handbook;Smeaton,1987
4. P.J. Tavner, J. Penmann, Condition Monitoring and Electrical Machines, Research Studies Press Ltd. Wiley, New York, 1989.
5. Condition monitoring of electrical drives;Penmann,1986