1. A review of recent advances in generator maintenance scheduling;Ahmad;Electrical Machines and Power Systems,1998
2. NDE Handbook for Condition Monitoring;Boving,1989
3. Condition Monitoring of Electrical Machines;Tavner,1987
4. Plant Vibration Monitoring, Monitran Ltd., Monitor House, Hazlemere Road, Penn, Bucks, HP10 8AD, (Technical Note).
5. How to track rolling element bearing health with vibration signal analysis;Barry;Sound and Vibration,1991