1. Mcphee, B., Foster, G., & Long, A. (2009). Bad Vibrations: Essential guide to identify, assess and control vibration risks (p.1–62).
2. DOSH. (2003). Guidelines on Occupational Vibration (p.1–33).
3. Griffin, M.J. 1990. Handbook of Human Vibration. Elsevier Ltd.
4. Rosegger, R; and Rosegger, S. (1960) Health effects of tractor driving. Journal of Agricultural Engineering Research, 5: 241-274.
5. Kelsey, J.L.; and Hardy, RJ. (1975) Driving of motor vehicles as a risk factor for acute herniated lumbar intervertebral disc. American J. Epidemiology, 102: 63-73.