reference(s)

1. Convivial Urban Spaces: Creating Effective Public Spaces, by Henry Shaftoe -- (amazon)
2. Eliëns A. and Vyas D., Panorama -- explorations in the aesthetics of social awareness, In Proc. GAME-ON 07, Nov 20-22, University of Bologna, Marco Roccetti (ed.), p. 71-75, EUROSIS-ETI Publication, ISBN 9789077381373
3. A. Eliëns, topical media & game development -- media.eliens.net