00402nam a2200145Ia 4500008004100000020001500041041001200056082001600068100001700084245009300101250000800194260002500202300000800227650002100235221030s9999    xx            000 0 und d  a8120330188  aEnglish  a105.23bSta  aW. Stallings 0aCryptography & Network Security Principles & Practices ( DEPARTMENTAL )cby W. Stallings  a4th  bPHIaNew Delhic2006  a680  aCSE Departmental