WASET
    N. Chegeni and  M. J. Tahmasebi Birgani,  Profile Calculation in Water Phantom of Symmetric and Asymmetric Photon Beam.   journal   = {International Journal of Physical and Mathematical Sciences}, [online]. World Academy of Science, Engineering and Technology.
    September 2013, vol. 81(9). 1422 - 1429
    [viewed 29 March 2024]. Available from: https://publications.waset.org/pdf/16723.