A. van Bunningen, L. Feng, und P. Apers. TDM, Volume WP06-01 von CTIT Workshop Proceedings Series, Seite 25-32. Centre for Telematics and Information Technology (CTIT), University of Twente, Enschede, The Netherlands, (2006)
J. Indulska, R. Robinson, A. Rakotonirainy, und K. Henricksen. 4th International Conference on Mobile Data Management (MDM), Volume 2574 von Lecture Notes in Computer Science, Seite 247-261. Springer, (Januar 2003)
K. Henricksen, J. Indulska, und A. Rakotonirainy. Proceedings of the First International Conference on Pervasive, Volume 2414 von Lecture Notes in Computer Science, Seite 167--180. Zurich, Springer-Verlag, (August 2002)