WASET
    A. H. Fatah and  A. H. Ahmed,  Analysis of Gamma-Ray Spectra Using Levenberg-Marquardt Method.   journal   = {International Journal of Physical and Mathematical Sciences}, [online]. World Academy of Science, Engineering and Technology.
    January 2011, vol. 49(1). 18 - 23
    [viewed 05 May 2024]. Available from: https://publications.waset.org/pdf/3905.