Tim Hosey, Guy Williams, and Richard Ansorge.
  <b>Inference of Multiple Fiber Orientations in High Angular
  Resolution Diffusion Imaging</b>.
  <i>Magnetic Resonance in Medicine</i>, (54):1480-1489, 2005.
  <A HREF="http://vis.cs.brown.edu/docs/pdf/bib/g/Hosey-2005-IMF.pdf.html">(pdf)</A>
  <A HREF="http://vis.cs.brown.edu/results/bibtex/Hosey-2005-IMF.bib">(bibtex:
  Hosey-2005-IMF)</A>.<br />