Pablo Figueroa, Walter F. Bischof, Pierre Boulanger, and H. James Hoover.
 <b>Efficient comparison of platform alternatives in interactive
  virtual reality applications</b>.
 <em>International Journal of Human-Computer Studies</em>, 62(1):73--103,
  January 2005.
  <a href="http://vis.cs.brown.edu/docs/pdf/bib/g/Figueroa-2005-ECP.pdf.html">(pdf)</a>
  <a href="http://vis.cs.brown.edu/results/bibtex/Figueroa-2005-ECP.bib">(bibtex:
  Figueroa-2005-ECP)</a>.