000 00278nam a2200121Ia 4500
008 220201s2002 xx 000 0 eng d
082 _a621.3192
_bSON
100 _aSoni,K M
245 0 _aCircuits & system
260 _aDelhi
_bS.K.Kataria
_c2002
300 _a422
942 _2ddc
999 _c36570
_d36570