S. Matour and  M. Mahdavinejad and  R. Fayaz,  Horizontal and Vertical Illuminance Correlations in a Case Study for Shaded South Facing Surfaces.   journal   = {International Journal of Energy and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    November 2017, vol. 132(12). 1046 - 1051
    [viewed 27 April 2024]. Available from: https://publications.waset.org/pdf/10008302.