[1] P. Y. Okyere and E. George, “Evaluation of Rolling Sphere Method Using Leader Potential Concept: A Case Study,” IJME-INTERTECH Conference, 2006, pp. 1-20.
[2] E. M. Thomson, “A Critical Assessment of the US Code for Lightning Protection,” IEEE Transaction on Electromagnetic Compatibility, Vol. 33, No. 2, 991, pp. 132-138. doi:10.1109/15.78350
[3] A. Ametani, H. Morii, T. Kubo and T. Chikaraa, “Impedance Characteristics of Grounding Electrodes on Earth Surface,” Electric Power Systems Research, Vol. 85, 2012, pp. 38-43. doi:10.1016/j.epsr.2011.07.006
[4] S. N. Robert, “Guide for Direct Lightning Stroke Shielding of Substations,” Georgia Power Company, Atlanta, 2007.
[5] A. C. Liew and C. M. Gui, “Performance Assessment of Lightning Shielding Systems,” IEEE Industry Applications Society Annual Meeting, Vol. 2, Seattle, 7-12 October 1990, pp. 1989-1994.
[6] C. Vernon, “Lightning Protections,” The Institution of Engineering and Technology, Stevenage, 2010.
[7] H. Motoyama, “Experimental and Analytical Studies on Lightning Surge Characteristics of a Burial Bare Wire,” IEEJ Transactions on Power and Energy, Vol. 126, No. 5, 2008, pp. 556-561.
[8] M. Gamlin, “Impulse Current Testing,” Lightning Protection Forum, Shanghai, June 2004, pp. 1-7.
[9] M. S. Kamarudin, E. Sulaiman, M. Z. Ahmad, S. A. Zulkifli and A. F. Othman, “Impulse Generator and Lightning Characteristics Simulation Using Orcad PSpice Soft ware,” Engineering Conference, Kuching, 18-19 December 2008, pp. 1032-1037.