Omid Gervei and  Ahmad Ayatollahi and  Navid Gervei,  3D Face Recognition Using Modified PCA Methods.   journal   = {International Journal of Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology.
    March 2010, vol. 39(3). 411 - 414
    [viewed 23 April 2024]. Available from: https://publications.waset.org/pdf/5789.