webpage http://dx.doi.org/10.1145/2732158.2732192 http://www.scopus.com/inward/record.url?eid=2-s2.0-84958688507&partnerID=MN8TOARS
published in Companion Proceedings of the 20th International Conference on Intelligent User Interfaces Journal Companion Proceedings of the 20th International Conference on Intelligent User Interfaces Proceedings International Conference on Intelligent User Interfaces, Proceedings IUI Proceedings