1. G.C. Bond, Chem. Soc. Rev. 20 (1991) 441.
2. Y. Takasu and A.M. Bradshaw, in: Specialist Periodical Reports: Chem. Phys. Solids Surf., Vol. 7 (J.M. Thomas and M.W. Roberts, eds.), The Chemical Society: London, (1978), p. 59.
3. G.C. Bond, Surf. Sci. 156 (1985) 966.
4. G.C. Bond in: Electronic Structure and Reactivity of Metal Surfaces, (E.G. Derouane and A.A. Lucas, eds.) Plenum: New York (1976), p. 523.
5. R. van Hardeveld and F. Hartog, Adv. Catal. 22 (1972) 75.