Marzieh. Savoj and  S. Amirhassan. Monadjemi,  Iris Localization using Circle and Fuzzy Circle Detection Method.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2012, vol. 61(1). 91 - 93
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/1468.