000 00434 a2200181 4500
003 ISURu
005 20240721200708.0
041 _aeng
082 _a621.38
_bMCN
090 _d8157
100 _aMcNamara, John E
_970790
245 _aTechnical aspects of data communication
260 _aMassachusetts
_bDigital
_c1977
_g1978
300 _axi,387p
650 0 _aENGINEERING
_95107
942 _cL
999 _c8157
_d8157
945 _dMain Library ADMIN
_c26318