000 00401nam a2200157Ia 4500
008 241225s9999 xx 000 0 und d
020 _a9812403057
082 _a621.382
_bDUN
100 _aDungan, Frank R.
245 0 _aElectronics communications systems
250 _a3rd edition.
260 _aSingapore :
_bThomson Delmar,
_c2007
300 _a819.
365 _a550
650 _aApplied physics
999 _c20684
_d20684