WASET
    N. Nacereddine and  M. Tridi and  S. S. Belaïfa and  M. Zelmat,  Quantitative Analysis of Weld Defect Images in Industrial Radiography Based Invariant Attributes.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    February 2007, vol. 2(2). 485 - 488
    [viewed 20 April 2024]. Available from: https://publications.waset.org/pdf/1890.