Eric A. Bier, Adam Perer. Icon abacus and ghost icons. In Mary Marlino, Tamara Sumner, Frank M. Shipman III, editors, ACM/IEEE Joint Conference on Digital Libraries, JCDL 2005, Denver, CA, USA, June 7-11, 2005, Proceedings. pages 404, ACM, 2005. [doi]
Abstract is missing.