G. Ghodrati Amiri and  M. Khorasani and  Razavian Ameri and  M.Mohamadi Dehcheshmeh and  S.Fathi,  Determination and Assessment of Ground Motion and Spectral Parameters for Iran.   journal   = {International Journal of Geological and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    October 2011, vol. 58(10). 556 - 560
    [viewed 14 August 2022]. Available from: https://publications.waset.org/pdf/1433.