Sanaz Ahmadzadeh Siyahrood and  Arghavan Ebrahimi and  Mohammadjavad Mahdavinejad,  Generating a Functional Grammar for Architectural Design from Structural Hierarchy in Combination of Square and Equal Triangle.   journal   = {International Journal of Architectural and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    May 2017, vol. 132(12). 1663 - 1675
    [viewed 27 September 2020]. Available from: https://publications.waset.org/pdf/10009178.