• Review of electrical machine diagnostic methods applicability in the perspective of Industry 4.0Asad, Bilal; Vaimann, Toomas; Rassõlkin, Anton; Kallaste, Ants; Belahcen, AnouarScientific Journal of Riga Technical University. Electrical, control and communication engineering2018 / p. 108–116 : ill https://doi.org/10.2478/ecce-2018-0013