000			00445nam a2200181Ia 4500
008			201023s9999||||xx |||||||||||||| ||und||
020			_a9789382369578
100			_aSingh.
245		0	_aData Communication &Computer Networks.
250			_a2nd.
260			_aNew Delhi _bPHI _c2009
300			_a357
365			_b275
650			_aComputer Science.
942			_cTB
999			_c3086 _d3086