S. Pushkar and  O. Verbitsky,  Analyzing the Shearing-Layer Concept Applied to Urban Green System.   journal   = {International Journal of Civil and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    July 2015, vol. 104(8). 1062 - 1068
    [viewed 19 April 2024]. Available from: https://publications.waset.org/pdf/10002133.