M. Norouzi and  M. H. Kayhani and  M. R. H. Nobari and  M. Karimi Demneh,  Convective Heat Transfer of Viscoelastic Flow in a Curved Duct.   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    August 2009, vol. 32(8). 921 - 927
    [viewed 28 February 2020]. Available from: https://publications.waset.org/pdf/13409.