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005 20220912151340.0
006 a|||||r|||| 00| 0
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024 _a36255
037 _cTextbook
040 _aCSL
_beng
_cCSL
041 _aeng
082 _aD65,4:4, L8;2-;3 TD
100 _aDoll Dixon R
245 0 _aData communications: Facilites networks and system design
260 _aNew York
_b John Wiley
_c1978
300 _aix, 493p.
_ccm.
650 _a Electronics
650 _a Telecommunication
650 _aEngineering
942 _hD65,4:4, L8;2-;3 TD
_cTB
_2CC
999 _c66678
_d66678