1. Aadhaar. (2011). Gains momentum, clocks two crores in October. The Economic Times, November 2, 2011.
2. BBC News. (2010). Identity cards scheme will be axed ‘within 100 days’, 27 May 2010, http://www.news.bbc.co.uk/2/hi/uk_news/politics/8707355.stm.
3. Kevin W. Bowyer, Patrick J. Flynn, The ND-IRIS-0405 Iris image dataset, http://www.nd.edu/~cvrl/CVRL/Data_Sets.html.
4. Image understanding for iris biometrics: a survey;Bowyer;Comput. Vis. Image Underst.,2008
5. Bowyer, K.W., Hollingsworth, K. P., Flynn, P.J., in press. A survey of iris biometrics research: 2008–2010. Handbook of Iris Biometrics, Springer.