000 00666nam a2200229Ia 4500
005 20250425162807.0
008 250425s9999 xx 000 0 und d
020 _a9261020216
041 _aeng
082 _a621.38206
110 _aINTERNATIONAL TELECOMMUNICATION UNION
245 0 _aRED BOOK : TELEGRAPH SERVICES. OPERATIONS AND QUALITY OF SERVICE. RECOMMENDATIONS F.1-F.150
250 _a1ST ED.
260 _aGINEBRA
260 _aSuiza
_bCCITT
_c1985
300 _a289
500 _aVIIITH PLENARY ASAMBLY. MALAGA-TORREMOLINOS, 8-19 OCTOBER 1984.
650 _aINGENIERIA ELECTRICA
650 _aRED ALAMBRICA
942 _c01
010 _a108847
999 _c236547
_d236547