Francisco Aparisi and  Marco A. de Luna,  The Synthetic T2 Quality Control Chart and its Multi-Objective Optimization.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    November 2007, vol. 11(11). 3460 - 3463
    [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/4917.