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  <i><b>Matrix browser: visualizing and exploring large
  networked information spaces</b></i>.
  ACM Press, 2002.
  <A HREF="http://vis.cs.brown.edu/docs/pdf/bib/g/Ziegler-2002-MBV.pdf.html">(pdf)</A>
  <A HREF="http://vis.cs.brown.edu/results/bibtex/Ziegler-2002-MBV.bib">(bibtex:
  Ziegler-2002-MBV)</A>.<br />