[1] Dewangan, K. N., G. V. Kumar, V. K. Tewari. “Noise characteristics of trctors and health effect on farmer.” Department of Agricultural Engineering, North Eastern Regional Institute of Science. 2005.
[2] Hong, Zh. J., H. Bing. “Analysis of engine front noise using sound intensity techniques.” Mechanical Systems and Signal Processing 19و 2005, pp. 213-221.
[3] Hassan-Beigi, S. R. “Investigation and Analysis of Power Tiller Noise”, PhD Thesis, TMU, Tehran, Iran, 2003.
[4] Guangpu, L., B. Shihua, P. Hongxia. “Analysis of Noise Characteristics for Diesel Engine.” 1-4244-0529-7/06 IEEE. 2006.
[5] Hassan-Beigi, S. R., B. Ghobadian. “Noise attenuation characteristics of different road surfaces during power tiller transport". Agricultural Engineering International, 2005.
[6] Pruvost, L., Q. Leclere, E. Parizet. “Diesel engine combustion and mechanical noise separation using an improved spectrofilter.” Mechanical Systems and Signal Processing 23(7), 2009, pp. 2072-2087.
[7] Yoshida, T., R. Miyamoto, M. Takada, K. Suzuki. “Adaptive noise canceller”, Google Patents. 1995.
[8] Bhattacharya, M., B. Ghobadian, S. C. Jain, N. Singh, P. S. Mehta. “An estimation of combustion and mechanical noise components of a small DI diesel”, Proceeding of the National Symposium on Acoustics, Madras, India, 1992.
[9] Taghizade, A. “Parametric Investigation of Vibration Signals for MF 399 Tractor Using Diesel and Biodiesel Fuels.” PhD thesis. TMU, Tehran, Iran, 2012.
[10] Albarbara, A., F. Gub, A. D. Ball. “Diesel engine fuel injection monitoring using acoustic measurements and independent component analysis.” Measurement 43, 2010, pp. 1376-1386.
[11] Anyu, C., J. Jide, D., Xiliang, Z. Andzhongkui. “Transient Sound Visualization and Application to Analysis of Engine Acoustic Characteristics by Continuous Wavelet Transform”, Third International Conference on Measuring Technology and Mechatronics Automation, IEEE 978-0-7695-4296-6/11. 2011.
[12] Giakoumis, E. G., A. M. Dimaratos, C. D. Rakopoulos. “Experimental study of combustion noise radiation during transient turbocharged diesel engine operation.” Energy 36, 2011.
[13] Rakopoulos, C. D., A. M., Dimaratos, E. G. Giakoumis. “Study of turbocharged diesel engine operation, pollutant emissions and combustion noise radiation during starting with bio-diesel or n-butanol diesel fuel blends.” Applied Energy 88, 2011, pp. 3905-3916.
[14] Rossing, T. D., Springer Handbook of Acoustics, Springer, 1st edition, 2007.
[15] Anonymous. “Operator ear sound level measurement procedure for small engine powered equipment.” SAE J1174. 1985.
[16] Anonymous. “Acoustics: Tractors and machinery for engineering and forestry.” Measurement of noise at operator’s position, ISO 5131, 1996.
[17] Anonymous. “National stationary exhaust noise test procedures for in-service motor vehicles”, National transport commission on behalf of the land transport environment committee, 2006.
[18] Suggs, C. “Noise characteristics of field equipment.” American Society of Agricultural Engineers, 1987.
[19] Harrison, M. “Vehicle Refinement Controlling Noise and Vibration in Road Vehicles.” SAE International press, 1st edition, 2004.