Hasan Jumaah Mrayeh and  Fue-Sang Lien,  Using Divergent Nozzle with Aerodynamic Lens to Focus Nanoparticles.   journal   = {International Journal of Energy and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    March 2019, vol. 148(4). 231 - 237
    [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/10010283.