Mark Ollila, Staffan Björk, Kevin Bradshaw, Steven Feiner, Kari Pulli. Unsolved problems in mobile computer graphics and interaction. In Tom Appolloni, editor, ACM SIGGRAPH 2002 Conference Abstracts and Applications, SIGGRAPH '02, San Antonio, Texas, USA, July 21-26, 2002. pages 99-100, ACM, 2002. [doi]
Abstract is missing.