Peyman Shadman Heidari and  Roohollah Ahmady Jazany and  Mahmood Reza Mehran and  Pouya Shadman Heidari and  Mohammad khorasani,  Modeling of PZ in Haunch Connections Systems.   journal   = {International Journal of Civil and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    November 2011, vol. 59(11). 637 - 644
    [viewed 13 April 2021]. Available from: https://publications.waset.org/pdf/3013.