Chai, Feng; Li, Yi; Pei, Yulong; Li, Zongyang: 'Accurate modelling and modal analysis of stator system in permanent magnet synchronous motor with concentrated winding for vibration prediction', IET Electric Power Applications, 2018, 12, (8), p. 1225-1232, DOI: 10.1049/iet-epa.2017.0813
IET Digital Library, https://digital-library.theiet.org/;jsessionid=4pim547rt96al.x-iet-live-01content/journals/10.1049/iet-epa.2017.0813