000 00413nam a22001577a 4500
008 160331b xxu||||| |||| 00| 0 eng d
020 _a9780070184992
100 _aWILLIAMS, Brain et al
_92502
245 _aUsing information technology
250 _a8th
260 _aBoston
_bMcGraw-hill
_c2007
300 _axxiv;563p
650 _acomputer
_vTelecommunication system
_92503
942 _cBK
050 _aQA76.5.W5
999 _c664
_d664