Christopher G. Healey and James T. Enns.
  <b>Large Datasets at a Glance: Combining Textures and Colors in
  Scientific Visualization</b>.
  <i>IEEE Transactions on Visualization and Computer Graphics</i>,
  5(2):145-167, April-June 1999.
  <A HREF="http://vis.cs.brown.edu/docs/pdf/bib/g/Healey-1999-LDG.pdf.html">(pdf)</A>
  <A HREF="http://vis.cs.brown.edu/results/bibtex/Healey-1999-LDG.bib">(bibtex:
  Healey-1999-LDG)</A>.<br />