000 00265nam a2200121Ia 4500
008 220201s2002 xx 000 0 eng d
082 _a4.6
_bBLA
100 _aBlack, U
245 0 _aComputer networks
260 _aDelhi
_bPHI
_c2002
300 _a436
942 _2ddc
999 _c36373
_d36373