00410nam a2200145Ia 4500008004100000020001800041041000800059082001700067100001600084245010000100260002400200300000800224365001600232700001600248230718s9999    xx            000 0 und d  a9780525561965  aeng  a363.325bCLA  aClarke R.A.  aThe Fifth DomainbDefending Our Country,Our Companies,And Ourselves In The Age Of Cyber Threats  c2019bPenguin Press  a344  cRs.b699.00  aClarke R.A.