Geoffrey J. M. Parker, Claudia A. M. Wheeler-Kingshott, and Gareth J. Barker.
  <b>Estimating Distributed Anatomical Connectivity Using Fast
  Marching Methods and Diffusion Tensor Imaging</b>.
  <i>IEEE TRANSACTIONS ON MEDICAL IMAGING</i>, 21(5):505-512, May 2002.
  <A HREF="http://vis.cs.brown.edu/docs/pdf/bib/g/Parker-2002-EDA.pdf.html">(pdf)</A>
  <A HREF="http://vis.cs.brown.edu/results/bibtex/Parker-2002-EDA.bib">(bibtex:
  Parker-2002-EDA)</A>.<br />