1. Żokowski M., Design and testing of selfbearing rotor of electric motor, PhD Thesis, Warsaw 2011, Poland.
2. Chiba A., Fukao T., Ichikawa O., Oshima M., Takemoto M., Dorrell D. G.: Magnetics Bearings and Bearingless Drives, Elsevier, (2005).
3. Henzel M., Żokowski M., Olejnik A.: The new construction of actuators for More Electric Aircraft, The 6th International Conference Mechatronic Systems and Materials MSM 2010, July 5÷8, 2010, Opole, Polska.
4. Henzel M., Żokowski M., Falkowski K.: The analysis of the control system for the bearingless induction electric motor, 7th International Conference Mechatronic Systems and Materials (MSM 2011), July 7÷9, 2011, Kaunas, Lithuania.