000 00640nam a2200229Ia 4500
003 NORSU
005 20240514064701.0
008 240215s9999 xx 000 0 und d
020 _a971-8636-32-3
040 _aNORSU-Dum
_cNORSU-Dum
082 _a621.38 R61 C3
100 _aRoddy, Dennis & Coolen, John
245 0 _aElectronic Communications
_cBy Dennis Roddy & John Coolen
250 _aThird Edition
260 _bReston Publishing Company Inc.
_c1984
300 _axii, 788 pages, 20 cm.
500 _aincludes appendix & index
650 _aTelecommunications.
942 _cBK
_2ddc
942 _2ddc
_cBK
999 _c21089
_d21089