00337nam a2200085Ia 4500008004100000245007800041260000900119300009800128650002500226180130s9999    xx            000 0 und d  cYee, George O.M.aSecurity metrics: an introduction and literature review  c2013  aBook title: Computer and information security handbook--Acession number C20545; pages 553-566  aINFORMATION SECURITY