1F.P. Dawalibi, J. Ma, and R. D. Southey. Behavior of grounding systems in multilayer soils: a parametric analysis[ J ], IEEE Trans on Power Delivery, vol. 9, No. 1,1994, P334 - 342.
2Takahashi Takehiko, Kawase Taro. Calculation of earth resistance for a deep- driven rod in a multi - layer earth structure[J], IEEE Trans on Power Delivery, vol. 104,No. 11,1991,P608- 614.
5Y.L. Chow, J. J, Yang and K. D. Srivastava. Complex image of a grounding electrode in layered soils[J] ,Journal of Applied Physics,Jan, 15,1992, P1120 - 1125.
7Jinxi Ma, F. P. Dawalibi. Analysis of grounding systems in soils with cylindrical soil volumes [J], IEEE Trans on Power Delivery, vol. 15, No. 3,JULY 2000, P913 - 917.
