Atzmueller, M.; Becker, M.; Kibanov, M.; Scholz, C.; Doerfel, S.; Hotho, A.; Macek, B.-E.; Mitzlaff, F.; Mueller, J. & Stumme, G. (2014), 'Ubicon and its applications for ubiquitous social computing', New Review of Hypermedia and Multimedia 20 (1), 53-77.