WASET
    M. Hakak Khadem and  S. Hossainpour and  M. Shams,  Simulation of Roughness Shape and Distribution Effects on Rarefied and Compressible Flows at Slip Flow Regime.   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    May 2008, vol. 17(5). 633 - 638
    [viewed 09 May 2024]. Available from: https://publications.waset.org/pdf/663.