Esam I. Jassim and  Mohamed M. Awad,  Numerical Investigation of Nozzle Shape Effect on Shock Wave in Natural Gas Processing.   journal   = {International Journal of Chemical and Molecular Engineering}, [online]. World Academy of Science, Engineering and Technology.
    June 2013, vol. 78(6). 344 - 349
    [viewed 11 May 2024]. Available from: https://publications.waset.org/pdf/3767.