Steven R. Gomez, Radu Jianu, and David H. Laidlaw.
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  In <i>Proceedings of ISVC</i>, 2010.
  <A HREF="http://vis.cs.brown.edu/docs/pdf/g/Gomez-2010-FBT.pdf.html">(pdf)</A>
  <A HREF="http://vis.cs.brown.edu/results/bibtex/Gomez-2010-FBT.bib">(bibtex:
  Gomez-2010-FBT)</A>.<br />