000 00308nam a2200133Ia 4500
008 230401s2009 xx 000 0 eng d
082 _a4
100 _aBKACK (UYLESS D)
245 0 _aDATA COMMUNICATION AND COMPUTER NETWORK
250 _a3
260 _bDELHI PHI
_c2009
300 _a426
942 _2ddc
_cBTECH
999 _c200
_d200