WASET
    Mohammad Heidari,  Estimation of the Bit Side Force by Using Artificial Neural Network.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    December 2008, vol. 24(12). 4067 - 4072
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/12568.