@ARTICLE{Yang_Z._Design_2017,
 author={Yang, Z. and Sun, X. and Chen, L. and Su, B. and K. Li},
 volume={65},
 number={No 6 (Special Section on Civil Engineering – Ongoing Technical Research. Part II)},
 pages={833-843},
 howpublished={online},
 year={2017},
 title={Design and analysis of interior composite-rotor bearingless permanent magnet synchronous motors with two layer permanent magnets},
 URL={http://journals.pan.pl/Content/105798/PDF/10.1515bpasts-2017-0091.pdf},
 doi={10.1515/bpasts-2017-0091},
}