Tim Warburton.
  <b>Spectral/hp Methods on Polymorphic Multi-Domains: Algorithms
  and Applications</b>.
  Technical report, Brown University, RI, 1999.
  <A HREF="http://vis.cs.brown.edu/results/bibtex/warburton-1999-NEK.bib">(bibtex:
  warburton-1999-NEK)</A>.<br />
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