00351nam a2200133Ia 4500008004100000020001800041041000800059082002400067100002100091245006200112250001000174260002500184300000800209211209s2002    xx            000 0 und d  a81-203-2213-4  aeng  a005.82 O 02 KAU/PER  aKAUFMAN, CHARLIE  aNETWORK SECURITY: PRIVATE COMMUNICATION IN A PUBIC WORLD   a2 ed.  aNEW DELHIbPHIc2002  a713