000			00304nam a22001217a 4500
020			_a8131700949
082			_222 _a006.7
100			_aHalsall, Fred.
245			_aMultimedia communications /
260			_aNew Delhi, _bPearson Education, _cc2007.
300			_a1050 p. ; _bill. ; _c24 cm.
942			_2ddc _cIT
999			_c1990 _d1990