000 00258nam a2200097Ia 4500
008 230401s9999 xx 000 0 eng d
100 _aTiwari HP. , Gairala s.
245 0 _aElectrical eng. laboratory Practice
260 _bS.K.KATARIA SONS
942 _2ddc
_cBTECH
999 _c6114
_d6114