Lars Weberg, Torbjörn Brange, Åsa Wendelbo Hansson. A piece of butter on the PDA display. In Marilyn M. Tremaine, editor, CHI '01 Extended Abstracts on Human Factors in Computing Systems, CHI Extended Abstracts '01, Seattle, Washington, USA, March 31 - April 5, 2001. pages 435-436, ACM, 2001. [doi]
Abstract is missing.