000			00546nam a2200169 4500
999			_c4569 _d4569
008			150904b xxu||||| |||| 00| 0 eng d
020			_a020142293X
050			_aTX 5105 .H35 1996
100			_aHalsall, Fred.
245			_aData Communications, Computer networks and open systems/
250			_a4th ed.
260			_aUSA: _bAddison-Wesley, _c1996.
300			_axv, 907 p. : _bill.; _c25 cm.
504			_aIncludes index.
650			_aData networks.
650			_aData Communications.
942			_2lcc _cBOOKS _hTX 5105 .H35 1996