Colin Ware and William Knight.
  <b>Orderable Dimensions of Visual Texture for Data Display:
  Orientation, Size and Contrast</b>.
  In <i>Proceedings of CHI'92</i>, pages 203-209, May 1992.
  <A HREF="http://vis.cs.brown.edu/docs/pdf/bib/g/Ware-1992-ODV.pdf.html">(pdf)</A>
  <A HREF="http://vis.cs.brown.edu/results/bibtex/Ware-1992-ODV.bib">(bibtex:
  Ware-1992-ODV)</A>.<br />