1. (1) A. Ametani:“Distributed-Parameter Circuit Theory”, Corona Publishing Co., Ltd., Tokyo (1990) (in Japanese)
2. (2) H. Motoyama and T. Noda:“Experimental study on lightning surge characteristics of a buried bare wire”, CRIEPI Report, No.T00062 (2001) (in Japanese)
3. (3) CRIEPI Subcommittee for Power Stations and Substations, Lightning Protection Design Committee:“Guide to lightning protection design of power stations, substations and underground transmission lines”, CRIEPI Report, No.T40 (1996) (in Japanese)