000 00258nam a2200109Ia 4500
008 230401s9999 xx 000 0 eng d
100 _aGupta(J.B)
245 0 _aElECRONIC Device & CIRCUIT
250 _aIIIrd
260 _bS.K.KATARIA SONS
942 _2ddc
_cBTECH
999 _c6040
_d6040