Praseeda Lekshmi.V and  Dr.M.Sasikumar,  RBF Based Face Recognition and Expression Analysis.   journal   = {International Journal of Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology.
    June 2008, vol. 18(6). 1175 - 1178
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/9404.