000 00327nam a22001337a 4500
999 _c48322
_d48322
005 20200311160219.0
008 200311b ||||| |||| 00| 0 eng d
100 _aLucky, R. W.
100 _aSalz, J
100 _aWeldon, E. J.
245 _aPrinciples of Data Communication
260 _aNew York
_bMcGraw Hill
942 _cBK