H.Mohammadi Majd and  M.Jalali Azizpour and  A.V. Hoseini,  Application of Neural Network and Finite Element for Prediction the Limiting Drawing Ratio in Deep Drawing Process.   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    February 2011, vol. 50(2). 356 - 359
    [viewed 19 February 2020]. Available from: https://publications.waset.org/pdf/13112.