This material is based upon work supported by the following agencies.
U.S. Department of Energy, Division of Chemical Sciences, Office of
Basic Energy Sciences, Office of Energy Research under Grant No. DMR-FG-02-91ER14205.
National Science Foundation under Grant No. DMR-9417866.
Reactions at Metal Surfaces Induced by Femtosecond Lasers, Tunneling
Electrons, and Heating, W. Ho, J. Phys. Chem. 100, 13050-13060
(1996).