WASET
    Ishtiaq A. Chaudhry and  Zia R. Tahir,  PIV Investigation into the Evolution of Vortical Structures in the Zero Pressure Gradient Boundary Layer.   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    November 2012, vol. 71(11). 2339 - 2342
    [viewed 19 April 2024]. Available from: https://publications.waset.org/pdf/5520.