Author:
	Nelson H. F. Beebe
	Center for Scientific Computing
	University of Utah
	Department of Mathematics, 322 INSCC
	155 S 1400 E RM 233
	Salt Lake City, UT 84112-0090
	USA
	Email: beebe@math.utah.edu, beebe@acm.org,
	       beebe@computer.org, beebe@ieee.org (Internet)
	WWW URL: http://www.math.utah.edu/~beebe
	Telephone: +1 801 581 5254
	FAX: +1 801 585 1640, +1 801 581 4148