Abdolamir Nekoubin,  Using Finite Element Method for Determination of Poles Number in Optimal Design of Linear Motor.   journal   = {International Journal of Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology.
    November 2011, vol. 59(11). 1400 - 1405
    [viewed 23 April 2021]. Available from: https://publications.waset.org/pdf/6408.