A. M. El Ansary and  A. A. El Damatty and  A. O. Nassef,  Optimum Shape and Design of Cooling Towers.   journal   = {International Journal of Civil and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    December 2011, vol. 60(12). 655 - 664
    [viewed 20 April 2024]. Available from: https://publications.waset.org/pdf/6558.