Sachin Kumar and  Vasilis Sotiris and  Michael Pecht,  Health Assessment of Electronic Products using Mahalanobis Distance and Projection Pursuit Analysis.   journal   = {International Journal of Electronics and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology.
    February 2008, vol. 14(2). 282 - 290
    [viewed 17 October 2019]. Available from: https://publications.waset.org/pdf/8544.