000 00350nam a2200133Ia 4500
005 20260413101256.0
008 230516s9999||||xx |||||||||||||| ||und||
100 _aStallings William
245 0 _aData and Computer communication
260 _bDelhi pearson Education
_c2007
300 _a834
942 _cGB
999 _c9099
_d9099