000 00254nam a2200109Ia 4500
008 230401s9999 xx 000 0 eng d
100 _aGupta(J.B)
245 0 _aElECRONIC DEVICE & CIRCUIT
250 _a3
260 _bS.K.KATARIA SONS
942 _2ddc
_cBTECH
999 _c6038
_d6038