Palacios-Quiñonero, Francisco; Acho, Leonardo; Rossell, Josep M.; Karimi, Hamid Reza: 'Magnetic bearing for wind turbine power generator shaft: an emulator prototype design for vibration control' (Energy Engineering, 2018), 'Structural Control and Fault Detection of Wind Turbine Systems', Chap. 9, pp. 215-235, DOI: 10.1049/PBPO117E_ch9
IET Digital Library, https://digital-library.theiet.org/;jsessionid=5j07adeit2ngq.x-iet-live-01content/books/10.1049/pbpo117e_ch9