W.F. Banholzer, Y.O. Park, K.M. Mak and R.I. Masel, Surf. Sci. 128 (1983) 176.
Erratum to ref. [3], Surf. Sci. 133 (1983) 623.
R.B. Woodward and R. Hoffmann,The Conservation of Orbital Symmetry (Verlag Chemie, Weinheim, Germany, 1969).
K. Fukui, Acc. Chem. Res. 4 (1971) 57.
R. Hoffmann,Solids and Surfaces (VCH Verlagsgesellschaft, Weinheim, Germany, 1988).
R. Hoffmann, Rev. Mod. Phys. 60 (1988) 601.
G.C. Bond, Disc. Faraday Soc. 41 (1966) 200.
N.V. Richardson, Surf. Sci. 141 (1984) L329.
R.I. Masel, Surf. Sci. 141 (1984) L331.
W.F. Banholzer and R.I. Masel, J. Catal. 85 (1984) 127.
J.M. Gohndrone, Y.O. Park and R.I. Masel, J. Catal. 95 (1985) 244.
J.M. Gohndrone and R.I. Masel, Surf. Sci. 209 (1989) 44.
K. Schwaha and E. Bechtold, Surf. Sci. 66 (1977) 383.
J.L. Gland, Surf. Sci. 71 (1978) 327.
Y.O. Park, W.F. Banholzer and R.I. Masel, Appl. Surf. Sci. 19 (1984) 145.
Z. Murayama, I. Kojima, E. Miyasaki and I. Yasumori, Surf. Sci. 118 (1982) L281.
J.F. Lang and R.I. Masel, Surf. Sci. 167 (1986) 261.
R.W. McCabe and L.D. Schmidt, Surf. Sci. 66 (1977) 101.
W.F. Banholzer, J.M. Gondrone, G.H. Hatzikos, J.F. Lang, R.I. Masel, Y.O. Park and K. Stolt, J. Vac. Sci. Technol. A 3 (1985) 1559.
R.I. Masel, Catal. Rev. — Sci. Eng. 28 (1986) 335.
M. Mundschau and R. Vanselow, Phys. Rev. Lett. 53 (1984) 1084.
M. Mundschau and R. Vanselow, Surf. Sci. 155 (1985) 121.
M. Mundschau and R. Vanselow, Surf. Sci. 157 (1985) 87.
X.Q.D. Li and R. Vanselow, Catal. Lett. 2 (1989) 113.
X.Q.D. Li and R. Vanselow, Surf. Sci. 217 (1989) L417.
X.Q.D. Li and R. Vanselow, Surf. Sci. 217 (1989) L423.
X.Q.D. Li and R. Vanselow, Surf. Sci. 225 (1990) L29.
X.Q.D. Li and R. Vanselow, Surf. Sci., in print.
R. van Hardeveld and R. Hartog, Adv. Catal. 22 (1972) 75.
R. Vanselow, to be published.
H.A. C.M. Hendrickx, Ph.D. Thesis, (Rijksuniversiteit te Leiden, The Netherlands, 1988).
R.M. Wolf, Ph.D. Thesis, (Rijksuniversiteit te Leiden, The Netherlands, 1990).
H.A. C.M. Hendrickx and B.E. Nieuwenhuys, Surf. Sci. 175 (1986) 185.
D.W. Blakely and G.A. Somorjai, Surf. Sci. 65 (1977) 419.
H.P. Bonzel, A.M. Franken and G. Pirug, Surf. Sci. 104 (1981) 624.
R. Vanselow, Phys. Status Solidi 4 (1964) 697.
A.J. Melmed, J. Appl. Phys. 36 (1965) 3691.
H. Niehus and G. Comsa, Surf. Sci. 102 (1981) L14.