Ghoneim, Sherif, Ahdab Elmorshedy, and Rabah Amer. “Transient Impedance of Grounding System With Impulse Superimposed Sinewave”. ENP Engineering Science Journal 1, no. 1 (July 22, 2021): 8–12. Accessed December 28, 2025. //enpesj.enp.edu.dz/index.php/enpesj/article/view/7.