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.