| 2009.1 | ContextKing: Virtual Kingdoms in Real Life | 
|   | Format: |  Paper (PDF, 2368521 bytes) ;   | 
 | Author(s): |  Johan Koolwaaij, Martin Wibbels, Sebastian Böhm & Marko Luther (2009) | 
 |   | Reference: | Proceedings of the first IEEE International Conference in Games and Virtual Worlds, pp. 61-67, March 23 - 24, 2009, Coventry, UK | 
 |   | Keywords: | Context awareness
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| 2009.2 | Living virtual history: A mobile game around the world  | 
|   | Format: |  Paper (PDF, 930310 bytes) ;   | 
 | Author(s): |  Johan Koolwaaij, Martin Wibbels, Sebastian Böhm & Marko Luther (2009) | 
 |   | Reference: | The Visual Computer, Springer Berlin / Heidelberg, Issue Volume 25, Number 12, pp. 1055-1062, December 2009  | 
 |   | Keywords: | Context awareness
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