00413nam a2200169Ia 45000010005000000080041000050200018000460400013000640820019000771000020000962450042001162500008001582600037001663000011002035460007002146500022002215245140319s9999    xx            000 0 und d  a0-471-11709-9  cPK-LaUMT  a 005.82bSCH-A  aSchneier, Bruce  aApplied cryptographycSchneier, Bruce  a1st  aNew York,USA:bJohn Wiley,c1996  a758 p.  aEN  aComputer security