00425nam a2200133Ia 4500008004100000041001200041082001600053100001700069245011000086260006300196300000700259650001200266700001300278221030s9999    xx            000 0 und d  aEnglish  a105.23bMat  aG. N. Mathur 0aProceedings of National Seminar Design of Earthing Systems 18-19 December 2003cby G. N. Mathur, K. Singh  bCentral Board of Irrigation & Power New DelhiaIndiac2003  a76  aGeneral  aK. Singh