Richard B. Buxton.
  <i><b>Introduction to Functional Magnetic Resonance Imaging:
  Principles and Techniques</b></i>.
  Cambridge University Press, Cambridge, UK, 2002.
  <A HREF="http://vis.cs.brown.edu/results/bibtex/Buxton-2002-IFM.bib">(bibtex:
  Buxton-2002-IFM)</A>.<br />