Jackson Feijó Filho, Wilson Prata, Thiago Valle. Pufftext: a puff controlled software-based hands-free spin keyboard for mobile phones. In Michael Rohs, Albrecht Schmidt, Daniel Ashbrook, Enrico Rukzio, editors, 15th International Conference on Human-Computer Interaction with Mobile Devices and Services, MobileHCI '13, Munich, Germany, August 27 - 30, 2013. pages 468-471, ACM, 2013. [doi]
Abstract is missing.