Ivo Flammer Chen Yan Wolf Ka August Flammer Jean-Paul Cheung Romain Pellerin Player Feedback Evaluation: Indicating Mass Public Potential for Pervasive Games. 252-257 2009 ICEC http://dx.doi.org/10.1007/978-3-642-04052-8_29 conf/iwec/2009 db/conf/iwec/icec2009.html#FlammerYKFCP09