M. S. Al-Qurashi, A Study of Thermal Convection in Two Porous Layers Governed by Brinkman's Model in Upper Layer and Darcy's Model in Lower Layer. journal = {International Journal of Physical and Mathematical Sciences}, [online]. World Academy of Science, Engineering and Technology. March 2013, vol. 75(3). 351 - 357 [viewed 19 September 2024]. Available from: https://publications.waset.org/pdf/10201.