000 00301nam a2200121Ia 4500
008 211209s2007 xx 000 0 und d
020 _a0070636559
041 _aeng
100 _aCARR, HOUSTON H
245 _aDATA COMMUNICATIONS AND NETWORK SECURITY
260 _aNEWDELHI
_bTMH
_c2007
300 _a526
999 _c48098
_d48098