000 00289nam a2200121Ia 4500
082 _a004.6
_bSHA
100 _aSharma, Sanjay
245 _aData Communication Networks
260 _aDelhi
_bS.K.Kataria and Sons
_c2007
300 _a441p.
650 _aInformation Technology
044 _aIndia
999 _c3898
_d3898