'Condition monitoring and fault diagnosis of induction motors' (Energy Engineering, 2017), 'Fault Diagnosis of Induction Motors', Chap. 1, pp. 1-10, DOI: 10.1049/PBPO108E_ch1
IET Digital Library, https://digital-library.theiet.org/;jsessionid=3ho4dg1i1oi03.x-iet-live-01content/books/10.1049/pbpo108e_ch1