Characterization of corona and internal partial discharge under increasing electrical stress using time domain analysisShafiq, Muhammad; Kiitam, Ivar; Taklaja, Paul; Hussain, Amjad; Kütt, Lauri; Kauhaniemi, Kimmo2020 IEEE Electrical Insulation Conference : EIC 20202020 / vol. 217−220 https://doi.org/10.1109/EIC47619.2020.9158701 A review of aging models for electrical insulation in power cablesChoudhary, Maninder; Shafiq, Muhammad; Kiitam, Ivar; Hussain, Amjad; Palu, Ivo; Taklaja, PaulEnergies2022 / Art. nr. 3408 https://doi.org/10.3390/en15093408 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS