Somnath Dey and  Debasis Samanta,  Improved Feature Processing for Iris Biometric Authentication System.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    March 2010, vol. 39(3). 500 - 507
    [viewed 22 April 2021]. Available from: https://publications.waset.org/pdf/14581.