000 00290nam a2200145Ia 4500
100 _aSmith/ Derf
942 _cBK
654 _asystems
245 _aCircuits
260 _bJohn wiley
_aSingapore
_c1992
082 _a621.3
_bSMI/DOR
300 _a868
546 _aENGLISH
999 _c22132
_d22132