000 00274nam a2200121Ia 4500
008 220201s1969 xx 000 0 eng d
082 _a621.3191
100 _aMathur, BL & Sangha, CS
245 0 _aElectrical power
260 _bDelhi
_c1969
300 _a468
942 _2ddc
999 _c75350
_d75350