000 00358nam a2200145 4500
020 _a0071136655
082 _a621.382
_bSHR
100 _aShrader,Robert L.
245 _aElectronic Communication
250 _a6th ed.
260 _aSingapore
_bMcGraw Hill
_c2000
300 _a713p.
650 _aDirect current circuits
_aAlternating current
942 _cBK
999 _c249032
_d249032