Hi,

If you have any problems or questions about this paper, please contact:

John Kelso                        kelso@vt.edu
Research Associate                http://hci.ise.vt.edu/hfec/Kelso.html
302 Whittemore Hall                     
Virginia Tech (VPI&SU)            phone: 540/231-4119
Blacksburg, VA 24061-0118         FAX:   540/231-3322

I am sending the following files via ftp:

hrh_rdme.txt (this file)
hrh_txt.htm  (HTML file)
hrh_fg2.gif  (a gif file of figure 2.)
hrh_fg3.gif  (a gif file of figure 3.)

Note: figure 1 is included in hrh_txt.htm, and is a table.

Thanks,

-John