David H. Laidlaw.
  <b>Annual report for Computer Graphics Tools for Understanding
  Tensor-Valued Volume Data: A Painting Metaphor</b>.
  Unpublished
  <A HREF="http://vis.cs.brown.edu/docs/pdf/bib/g/Laidlaw-1999-CGT.pdf.html">(pdf)</A>
  <A HREF="http://vis.cs.brown.edu/results/bibtex/Laidlaw-1999-CGT.bib">(bibtex:
  Laidlaw-1999-CGT)</A>, 1999.<br />