WASET
    K. Massila and  R. D. Stein and  S. M. Suhaizan and  A. A. Azlianor,   Theoretical Isotope Generator: An Alternative towards Isotope Pattern Calculator .   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    February 2007, vol. 2(2). 133 - 136
    [viewed 23 April 2024]. Available from: https://publications.waset.org/pdf/1458.