Emanuel von Zezschwitz, Paul Dunphy, Alexander De Luca. Patterns in the wild: a field study of the usability of pattern and pin-based authentication on mobile devices. 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 261-270, ACM, 2013. [doi]
Abstract is missing.