3Rajan Sundar, Venugopalan Srinivasa. I Corrosion and Grounding Systems [ J ]. Industry Applications, 1997:297-306.
4Rong Zheng, Jinliang He, et al. The theory and imple- mentation of corrosion diagnosis for grounding system [ C ]. Industry applications conference, 2002, 37th IAS annual meeting, Pittsburgh ( PA ) , US, 2002,2 : 1120.
