Hal Pashler.
  <i><b>Steven's Handbook of Experimental Psychology</b></i>,
  volume&nbsp;4.
  John Wiley & Sons, Inc., 3rd edition, 2004.
  <A HREF="http://vis.cs.brown.edu/results/bibtex/Pashler-2004-SHE.bib">(bibtex:
  Pashler-2004-SHE)</A>.<br />