Lucy T. Nowell, Robert S. Schulman, Deborah Hix. Graphical Encoding for Information Visualization: An Empirical Study. In 2002 IEEE Symposium on Information Visualization (InfoVis 2002), 27 October - 1 November 2002, Boston, MA, USA. pages 43-50, IEEE Computer Society, 2002. [doi]
Abstract is missing.