G. R. Arab Markadeh and  J. Soltani and  N. R. Abjadi and  M. Hajian,  Sensorless Control of a Six-Phase Induction Motors Drive Using FOC in Stator Flux Reference Frame.   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    October 2009, vol. 34(10). 1331 - 1337
    [viewed 28 January 2020]. Available from: https://publications.waset.org/pdf/10816.