000 00497nam a2200205Ia 4500
005 20250425161508.0
008 250425s9999 xx 000 0 und d
020 _a0906048362
041 _aeng
082 _a621.38
100 _aBEARD, D.
245 0 _aPRINCIPLES OF TELECOMMUNICATION-TRAFFIC ENGINEERING
250 _aS.E.
260 _aLONDON
260 _aReino Unido
_bPETER PEREGRINUS
_c1980
300 _a230
650 _aSISTEMAS TELEFONICOS
942 _c01
010 _a21558
999 _c210381
_d210381