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  <A HREF="http://vis.cs.brown.edu/docs/pdf/bib/g/Sramek-1999-AVO.pdf.html">(pdf)</A>
  <A HREF="http://vis.cs.brown.edu/results/bibtex/Sramek-1999-AVO.bib">(bibtex:
  Sramek-1999-AVO)</A>.<br />