000 00323nam a2200133Ia 4500
008 221221s9999 xx 000 0 und d
082 _a621.31
_bTOM/E
100 _aTomasi, Wayne
245 0 _aElectronic Communications Systems
250 _a5
260 _bPearson
650 _aElectronics & Communication
942 _cBK
999 _c10249
_d10249