1. Douhal, A., Lahmani, F., and Zewail, A.H.(1996) Chem. Phys. 207, 477.
2. Weller, A.(1956) Z. Elektrochem. 60, 1144.
3. Weller, A.(1961) Progr. React. Kinet. 1, 188.
4. Williams, D.L., and Heller, A.(1970) J. Phys. Chem. 74, 4473
5. Otterstedt, J.A.(1972) J. Chem. Phys. 58, 5716.