T. T. Naas and  Y. Lasbet and  C. Kezrane,  Entropy Generation Analyze Due to the Steady Natural Convection of Newtonian Fluid in a Square Enclosure.   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    March 2015, vol. 100(4). 582 - 586
    [viewed 09 December 2019]. Available from: https://publications.waset.org/pdf/10001025.