000 00634 a2200241 4500
001 ITTG2949
003 OSt
005 20250115011649.0
008 241215s1989 |||||||||||||||||| #d
020 _a0-07-607002-6
040 _aITTG
_cITTG
041 _aspa
082 _a384.3 H45
245 _aDATA COMMUNICATIONS :
_bCOMPREHENSIVE APROACH/
_cG. HELD, R. SARCH
250 _a2
260 _aNEW YORK:
_bMCGRAW-HILL
_c1989
300 _aXIX, 539 P.
_c23 CM.
500 _aINCLUYE INDICE.
562 _e3
650 _a1.INFORMACION SISTEMAS DE TRANSMISION.
700 _aSARCH, RAY.
942 _2ddc
_c1
_e20090813 14:23:05
999 _c2861
_d2861