Ojha, Sandip Kumar; Purkait, Prithwiraj; Chatterjee, Biswendu; Chakravorti, Sivaji: 'Application of Cole–Cole model to transformer oil-paper insulation considering distributed dielectric relaxation', High Voltage, 2019, 4, (1), p. 72-79, DOI: 10.1049/hve.2018.5079
IET Digital Library, https://digital-library.theiet.org/;jsessionid=4aka20wch25j0.x-iet-live-01content/journals/10.1049/hve.2018.5079