000			00664 a2200193 4500
005			20230607142215.0
050			_aHF5548.2 _bShe.
100			_aShelly, Gary B.
245			_aBusiness data communications : introductory concepts and techniques / _cGary B. Shelly, Thomas J. Cashman, Serwatka.
501			_a9016
650			_aBusiness - Data processing.
650			_aBusiness - Communication systems - Data processing.
650			_aLocal area networks (Computer networks).
650			_aData transmission systems.
700			_aCashman, Thomas J.; Serwatka, Judy A.
250			_a3rd ed.
260			_bCourse Technology _c2001.
942			_cBK _oHF5548.2 She.
999			_c4850 _d4850