Alexander De Luca, Roman Weiss, Heinrich Hussmann. PassShape: stroke based shape passwords. In Bruce Thomas, editor, Proceedings of the 2007 Australasian Computer-Human Interaction Conference, OZCHI 2007, Adelaide, Australia, November 28-30, 2007. Volume 251 of ACM International Conference Proceeding Series, pages 239-240, ACM, 2007. [doi]
Abstract is missing.