000 00412nam a2200145Ia 4500
100 _aShelly, Gary B ; Cashman, Thomas J & Serwatka, Judy A
020 _a0-7895-5958-7
250 _a3rd ed
654 _aComputer Science
942 _cBK
245 _aBusiness data communications
_bintroductory concepts and techniques
260 _aThomson Learning, Boston
_c2001
082 _a004.6 She
300 _axvi,398p
999 _c27752
_d27752