WASET
    Prateek Kishore and  T. M. Muruganandam,  Analysis of Simple Mechanisms to Continuously Vary Mach Number in a Supersonic Wind Tunnel Facility.   journal   = {International Journal of Aerospace and Mechanical Engineering}, [online]. World Academy of Science, Engineering and Technology.
    July 2017, vol. 126(6). 1278 - 1283
    [viewed 29 March 2024]. Available from: https://publications.waset.org/pdf/10007838.