Carlos Villarrubia Eduardo Fernández-Medina Mario Piattini Metrics of Password Management Policy. 1013-1023 2006 conf/iccsa/2006-3 ICCSA (3) http://dx.doi.org/10.1007/11751595_106 db/conf/iccsa/iccsa2006-3.html#VillarrubiaFP06