Maleika Heenaye- Mamode Khan  and  Naushad Mamode Khan and  Raja K.Subramanian,  Feature Extraction of Dorsal Hand Vein Pattern Using a Fast Modified PCA Algorithm Based On Cholesky Decomposition and Lanczos Technique.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    January 2010, vol. 37(1). 27 - 30
    [viewed 18 October 2019]. Available from: https://publications.waset.org/pdf/8421.