RT Book, Whole DB /z-wcorg/ DS http://worldcat.org ID 172980362 LA English T1 Understanding Windows CardSpace : an introduction to the concepts and challenges of digital identities A1 Bertocci, Vittorio. A1 Serack, Garrett. A1 Baker, Caleb, PB Addison-Wesley PP Upper Saddle River, NJ YR 2008 SN 0321496841 9780321496843