An overview of the AREEF experience and its participatory system design process was presented at the IEEE Games Innovation Conference in Vancouver, Canada. The full reference is as follows:

Oppermann, Leif, Lisa Blum, Jun-Yeong Lee, and Jung-Hyub Seo (2013)
“AREEF: Multi-player Underwater Augmented Reality Experience”. In IEEE
Games Innovation Conference (IGIC), Vancouver, Canada

The paper can also be accessed via the IEEE Xplore Digital Library.