CG Healey and JT Enns.
  <b>On the Use of Perceptual Cues and Data Mining for Effective
  Visualization of Scientific Datasets</b>.
  <i>PROC Graphics Interface</i>, pages 174-184, 1998.
  <A HREF="http://vis.cs.brown.edu/docs/pdf/bib/g/Healey-1998-UPC.pdf.html">(pdf)</A>
  <A HREF="http://vis.cs.brown.edu/results/bibtex/Healey-1998-UPC.bib">(bibtex:
  Healey-1998-UPC)</A>.<br />