000 00338nam a2200145Ia 4500
008 221231s9999 xx 000 0 und d
100 _aTomasi , Wayne
_95663
245 0 _aElectronic Communication Systems
250 _a5
260 _bPearson
260 _c2009
300 _a1115
650 _aTelecommunication
_95664
942 _cBE_BK
999 _c4137
_d4137