A. Tellaeche and  R. Arana and  I.Maurtua,  Automatic Inspection of Percussion Caps by Means of Combined 2D and 3D Machine Vision Techniques.   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    April 2010, vol. 40(4). 358 - 363
    [viewed 25 May 2022]. Available from: https://publications.waset.org/pdf/9691.