Omid A. Zargar,  Developing a New Vibration Analysis Calculative Method for Esfahan Subway Train and Railways Design, Manufacturing, and Construction.   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    February 2014, vol. 87(3). 554 - 559
    [viewed 23 April 2024]. Available from: https://publications.waset.org/pdf/9997686.