Anon. 2001. Mechanical vibration-measurement and evaluation of human exposure to hand-transmitted vibration-Part 1: general requirements, ISO, Geneva.
Anon. 2001. Mechanical vibration-measurement and evaluation of human exposure to hand-transmitted vibration-Part 2: practical guidance for measurement at the workplace.
Barber, A. 1992. Handbook of Noise and Vibration Control. Elsevier Sci. Pub. LTD. 6th Edition.
Goglia, V., Gospodari, Z., Kosutic, S. and Filipovi, D. 2003. Hand-transmitted vibration from the steering wheel to drivers of a small four-wheel drive tractor. Applied Ergonomics. 34,
Hassanbeigi, S. R. 2003. Evaluation and analysis of power tiller noise. Ph.D. Thesis. Faculty of Agriculture. Tarbiat Modares University. Tehran. Iran. (in Farsi)
Hassanbeigi, S. R., Ghobadian, B., Nasiri, P. and Kamalian, N. 2004. Analysis and presentation of prediction models of a power tiller noise. J. of Agric. Sci. Technol. 8(4): 225-240. (in Farsi)
Inman, D. G. 1989. Vibration with Control, Measurement, and Stability. Prentice-Hall International Inc, Printed in the United States of America.
Jabbarieh, A. and Fallah, M. 2003. Education of MATLAB 6.5. Ettehad Pub.
Ragni, L., Assalini, G. V., Xu, F. and Zhang, L. B. 1999. Vibration and noise of small implements for soil tillage. J. Agric. Eng. Res. 74, 403-409.
Rao, S. S. 1995. Mechanical Vibration. Third Edition. Addison Pub. Co.
Rossegger, R. and Rossegger, S. 1960. Health effects of tractor driving. J. Agric. Eng. Res. 5, 241-275.
Salokhe, V. M., Majumder, B. and Islam, M. S. 1995. Vibration characteristics of a power tiller. J. Terramechanics. 32, 181-197.
Taghizadeh, A. 2005. Practical evaluation of vibration in power tiller on operator. M. Sc. Thesis. Faculty of Agriculture. Tarbiat Modares University. Tehran. Iran. (in Farsi)
Tewari, V. K., Dewangan, K. N. and Karmakar, S. 2004. Operator’s fatigue in field operation of hand tractors. Biosystems Eng. 89, 1-11.