Mark McCabe seems to have done the most careful studies on this subject. See his paper in the PEAK conference, available through
<http://www.si.umich.edu/PEAK-2000/program.htm>. Andrew Odlyzko ************************************************************************ Andrew Odlyzko [email protected] AT&T Labs - Research voice: 973-360-8410 http://www.research.att.com/~amo fax: 973-360-8178 ************************************************************************
