1. Handbook of Human Vibration;Griffin,1990
2. Health and Safety Executive, Health and Safety Statistics 2000/2001, HSE Books, Suffolk, 2001.
3. Health and Safety Executive, August 20-last update, Regulatory impact assessment of the physical agents (vibration) directive 2002/44/EC. [Online], 2002. Available: http://www.hse.gov.uk/ria/vibrate/vibrate.pdf
4. Hand-held percussion machine as discrete non-linear converter;Babitsky;Journal of Sound and Vibration,1998
5. Study on vibration reduction of concrete breakers (2nd report, Vibration reduction due to the dynamic balancer driven by positive cam, and vibration isolation due to the elastic coupling between crank shaft and motor);Ohtsu;Transactions of Japan Society of Mechanical Engineers,1985