N.S. Tomer and  Phool Singh and  Manoj Kumar,  Effect of Variable viscosity on Convective Heat Transfer along an Inclined Plate Embedded in Porous Medium with an Applied Magnetic Field.   journal   = {International Journal of Physical and Mathematical Sciences}, [online]. World Academy of Science, Engineering and Technology.
    March 2011, vol. 51(3). 319 - 323
    [viewed 20 January 2020]. Available from: https://publications.waset.org/pdf/1198.