C. Grün, W. Schwinger, B. Pröll, W. Retschitzegger:
"Context-awareness in Mobile Tourism Guides";
in: "Handbook of Research on Mobile Multimedia, Second Edition", Information Science Reference, 2, 2008, ISBN: 978-1-60566-046-2, 298 - 314.
context, mobile
http://publik.tuwien.ac.at/files/PubDat_177481.pdf