1. Z.L. Nie, Y.M. Cao, Experiment Study of Environment Noise Induced by Elevated Rail Transit of Beijing Metro Line 5, IEEE Int. Conf. on MACE, Wuhan, China, 25-27 June (2010).
2. X.P. Zhang, Y. Liu, Z.F. Zhong, Characteristics of Noise in Subway Cars, Journal of Noise and Vibration Control, Vol. 30, No. 2, 69-71, (2010).
3. S.K. Kim, Improvements for reduction of the brake squeal noise at Seoul metro rolling stock on tracks, Journal of Mechanical Science and Technology, Vol. 23, No. 8, 2206-2214, (2009).
4. H. Ren, Y.G. Xiao, Causes to Noise inside Metro Cars and Control Measures, Rolling Stock, Vol. 47, No. 4, 25-28+48, (2009).
5. X.L. Yu, H.Y. Guo, H.L. Liu, X. Liu, Analysis and research of noise inside the metro vehicle, Electric Locomotives & Mass Transit Vehicles, Vol. 32, No. 3, 14-15+19, (2009).