000			00351nam a2200169Ia 4500
100			_aStallings, William
080			_a001.64404 Sta
526			_dTB
526			_aUG
366			_f20
250			_a9th ed .
942			_cBK
245			_aData and computer communications
260			_aPearson _b New Delhi _c2014
300			_a864
546			_aE
999			_c73057 _d73057