WASET
    E. Asadzadeh and  M. Alam,  A Survey on Hyperbolic Cooling Towers.   journal   = {International Journal of Civil and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    November 2014, vol. 94(10). 1079 - 1091
    [viewed 19 April 2024]. Available from: https://publications.waset.org/pdf/9999928.