Christopher R. Johnson.
  <b>Quantitative Inverse Electrocardiography</b>.
  Unpublished
  <A HREF="http://vis.cs.brown.edu/docs/pdf/bib/g/Johnson-1991-QIE.pdf.html">(pdf)</A>
  <A HREF="http://vis.cs.brown.edu/results/bibtex/Johnson-1991-QIE.bib">(bibtex:
  Johnson-1991-QIE)</A>, 1991.<br />