Sourabh Agrawal and  Ashok K. Jain,  Seismic Analysis of a S-Curved Viaduct using Stick and Finite Element Models.   journal   = {International Journal of Civil and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    February 2009, vol. 26(2). 34 - 44
    [viewed 29 January 2020]. Available from: https://publications.waset.org/pdf/2755.