Oday Al-Mamoori and  J. Enrique Martinez-Rueda,  Development of Equivalent Inelastic Springs to Model C-Devices.   journal   = {International Journal of Urban and Civil Engineering}, [online]. World Academy of Science, Engineering and Technology.
     2019, vol. 145(1). 12 - 17
    [viewed 07 December 2019]. Available from: https://publications.waset.org/pdf/10009930.