000			00627nam a2200205Ia 4500
003			OSt
005			20180724124207.0
008			110411s9999 xx 000 0 und d
020			_a9788178080987
040			_aUMI _cUMI _dUMI
082			_a004.6 _bHAL
100			_aHalsall, Fred
245			_aData communications, computer networks and open systems / _cFred Halsall.
250			_a4th ed.
260			_aSingapore : _bPearson Education Inc., _cc1996.
300			_axvi, 907 p. _bill. ; _c24 cm
504			_aIncludes appendices, bibliography and further reading, and index.
650			_aComputer networking
942			_2ddc _cBK
999			_c220 _d220