Peter Richardson and J. Christo.
  <b>Flow separation opposite a side branch</b>.
  In <i>Proceedings of 2nd Internat Symp on BioFluid Mechanics and
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  <A HREF="http://vis.cs.brown.edu/results/bibtex/Richardson-1990-FSO.bib">(bibtex:
  Richardson-1990-FSO)</A>.<br />