• 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 https://www.scopus.com/sourceid/62932 https://www.scopus.com/record/display.uri?eid=2-s2.0-85130631338&origin=resultslist&sort=plf-f&src=s&sid=3b42bc15325c13282d3a40f32ea9fcd1&sot=b&sdt=b&s=TITLE-ABS-KEY%28%22a+review+of+aging+models%22%29&sl=34&sessionSearchId=3b42bc15325c13282d3a40f32ea9fcd1 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=ENERGIES&year=2022 https://www.webofscience.com/wos/woscc/full-record/WOS:000795269900001