T.E.J. Behrens, M.W. Woolrich, M. Jenkinson, H. Johansen-Berg, R.G. Nunes,
  S. Clare, P.M. Matthews, J.M. Brady, and S.M. Smith.
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  Diffusion-Weighted MR Imaging</b>.
  <i>Magnetic Resonance in Medicine</i>, 50:1077-1088, 2003.
  <A HREF="http://vis.cs.brown.edu/docs/pdf/bib/g/Behrens-2003-CPU.pdf.html">(pdf)</A>
  <A HREF="http://vis.cs.brown.edu/results/bibtex/Behrens-2003-CPU.bib">(bibtex:
  Behrens-2003-CPU)</A>.<br />