Donna M. G. Comissiong and  Tyrone D. Dass and  Harold Ramkissoon and  Alana R. Sankar,  On Thermal Instabilities in a Viscoelastic Fluid Subject to Internal Heat Generation.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    August 2011, vol. 56(8). 1152 - 1159
    [viewed 18 February 2020]. Available from: https://publications.waset.org/pdf/10451.