000 00287nam a2200121Ia 4500
008 220201s2008 xx 000 0 eng d
082 _a621.381-CHO
100 _aChoudhary D Roy
245 0 _aNetworks and Systems
260 _aNew Delhi
_bNew Age
_c2008
300 _a926
942 _2ddc
999 _c64944
_d64944