WASET
    Nawin Raj and  Zhenquan Li,  Creating Streamtubes Based on Mass Conservative Streamlines.   journal   = {International Journal of Physical and Mathematical Sciences}, [online]. World Academy of Science, Engineering and Technology.
    November 2007, vol. 11(11). 529 - 533
    [viewed 23 April 2024]. Available from: https://publications.waset.org/pdf/13404.