R. L. Hagen.
  <b>In praise of the null hypothesis statistical test</b>.
  <i>American Psychologist</i>, 52:15-24, 1997.
  <A HREF="http://vis.cs.brown.edu/results/bibtex/Hagen-1997-IPO.bib">(bibtex:
  Hagen-1997-IPO)</A>.<br />