Dheyaa Hussein and  Peter Armstrong,  Building an Arithmetic Model to Assess Visual Consistency in Townscape.   journal   = {International Journal of Architectural and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    March 2016, vol. 112(4). 508 - 515
    [viewed 27 April 2024]. Available from: https://publications.waset.org/pdf/10004187.