1. Collacott, Ralph A., 1979,Vibration Monitoring and Diagnosis, John Wiley & Sons.
2. Darlow, Mark S., 1989,Balancing of High-Speed Machinery, Springer-Verlag.
3. Dimarogonas, Andrew D., and Haddad, S., 1992,Vibration for Engineers, Prentice-Hall.
4. Ehrich, Fredric F., 1992,Handbook of Rotordynamics, McGraw-Hill.
5. Hanjung, 1996,Engineering Process Instruction for Factory Balance, Hanjung.