P. Dragicevic, S. Huot, und F. Chevalier. Proceedings of the 24th annual ACM symposium on User interface software and technology, Seite 257--262. New York, NY, USA, ACM, (2011)
I. Huvila, und K. Johannesson. Information Science and Social Media : Proceedings of the International Conference Information Science and Social Media ISSOME 2011, August 24-26, Åbo/Turku, Finland, Volume 1 von Skrifter utgivna av Informationsvetenskap vid Åbo Akademi, Seite 99--106. Åbo Akademi, (2011)