000 00269nam a2200109Ia 4500
100 _aNAIDU MS
245 _aSF6 and Vacuum Insulation for High Voltage Applications
260 _c1977
_bKHANNA PUBLISHERS
_aDelhi
300 _avii+239
700 _aMathur VN
942 _cBK
999 _c11523
_d11523