S. Al-Sowayan, Improved Mutual Inductance of Rogowski Coil Using Hexagonal Core. journal = {International Journal of Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology. January 2014, vol. 86(2). 293 - 296 [viewed 18 April 2024]. Available from: https://publications.waset.org/pdf/9997534.