1
The Past and Future of Information Systems: 1976–2006 and Beyond : IFIP 19th World Computer Congress, TC-8, Information System Stream, August 21–23, 2006, Santiago, Chile [E-Book]/
2
Mobile Information Systems II [E-Book] : IFIP International Working Conference on Mobile Information Systems, (MOBIS) Leeds, UK, December 6–7, 2005 /