00481nam a2200181Ia 4500003000500000008004100005020001800046040001900064082000700083100002300090245006300113246006200176250000600238260002500244300001000269365000800279546001200287STCL230729s9999    xx            000 0 und d  a9788131761663  aSTCLcSTCLbEN  222  aStallings, William 0aCryptography and network security: principles and practice  aCryptography and network security principles and practice  a5  bPearsonaNoidac2012  a743 p  b425  aEnglish