WASET
    Sergio Pérez-López and  Daniel Tarrazó-Serrano and  José M. Fuster and  Pilar Candelas and  Constanza Rubio,  FZP Design Considering Spherical Wave Incidence.   journal   = {International Journal of Medical and Health Sciences}, [online]. World Academy of Science, Engineering and Technology.
    June 2018, vol. 138(6). 283 - 287
    [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/10009260.