Mark A. Spicer, Martin van Velsen, John P. Caffrey, and Michael L. J. Apuzzo.
  <b>VIRTUAL REALITY NEUROSURGERY: A SIMULATOR BLUEPRINT</b>.
  <i>Neurosurgery</i>, 54(4):783-797, April 2004.
  <A HREF="http://vis.cs.brown.edu/docs/pdf/bib/g/Spicer-2004-VRN.pdf.html">(pdf)</A>
  <A HREF="http://vis.cs.brown.edu/results/bibtex/Spicer-2004-VRN.bib">(bibtex:
  Spicer-2004-VRN)</A>.<br />