Gomba, Rodolphe, and Alphonse Omboua. 2017. “Calculation of Lightning Surges on the High Voltage Lines. Case of 220 KV Line: Ngo -Brazzaville in Congo”. International Journal of Engineering & Technology 6 (1): 13-21. https://doi.org/10.14419/ijet.v6i1.6657.