000 00304nam a2200109Ia 4500
008 210616s9999 xx 000 0 und d
100 _aJeffrey S. Beasley
245 0 _aModern electronic communication
260 _c2008
650 _aEngineering and Allied Operations
_bElectrical Engineering
942 _cBK
999 _c5781
_d5781