000			00352 a2200145 4500
020			_a0-07-113665-7
090			_c2405 _d2405
100			_aShrader, Robert .L.
245			_aElectronic communication
250			_a6th ed.
260			_aIllinois _bMc Graw Hill _c1993
300			_a713p.
650			_a621.39 _xElectronics _xRadio
942			_cBK _k621.39 SHR
999			_c332605 _d332605