1. R. Schuster, J.V. Barth, J. Wintterlin, G. Ertl and R.J. Behm:
   Interactions between alkali metals and oxygen on a reconstructed surface: An STM study of oxygen adsorption on the alkali-metal-covered Cu(110) surface
   Phys. Rev. B 50, 17456-17462 (1994).
2. E. Hartmann, M. Enachescu, F. Koch and R.J. Behm:
   Creation of electrically active nanoscale structures in a:Si films with a scanning tunneling microscope: Electronically induced changes in atomic bonding configurations
   Phys. Rev. B 50, 17172-17179 (1994).
3. R. Houbertz, U. Memmert, and R.J. Behm:
   Morphology of anodically etched Si(111) surfaces: a structural comparison of NH4F- versus HF-etching
   J. Vac. Sci. Technol. B 12, 3145-3148 (1994).
4. J. Wintterlin and R.J. Behm:
   Adsorbate covered metal surfaces and reactions on metal surfaces - recent developments
   in 'Scanning Tunneling Microscopy', H.J. Güntherodt and R. Wiesendanger eds. (Springer, Heidelberg, 1994).
5. A. Feltz, U. Memmert, and R.J. Behm:
   High temperature scanning tunneling microscopy studies on the interaction of O2 with Si(111)-(7x7) surfaces
   Surf. Sci. 314, 34-56 (1994).
6. S. Günther, E. Kopatzki, M.C. Bartelt, J.W. Evans, and R.J. Behm:
   Anisotropy in nucleation and growth of two-dimensional islands during homoepitaxy on 'hex' reconstructed Au(100)
   Phys. Rev. Lett. 73, 553-556 (1994).
7. J.A. Meyer and R.J. Behm:
   Comment: Layer-by-layer growth of Ag on Ag(111) induced by enhanced nucleation: a model study for surfactant mediated growth
   Phys. Rev. Lett. 73, 364 (1994).
8. A. Feltz, U. Memmert, and R.J. Behm:
   Growth and decomposition of thin oxide layers on Si(111)-(7x7) surfaces, investigated in-situ by STM
   in 'Formation of Semiconductor Interfaces - Proceed. of the 4th Intern. Conf.', B. Lengeler, H. Lüth, W. Mönch, and J. Pollmann eds., p. 355 - 360 (World Scientific, Singapore, 1994).
9. J. Vrijmoeth, H.A. van der Vegt, J.A. Meyer, E. Vlieg, and R.J. Behm:
   Surfactant induced layer-by-layer growth of Ag on Ag(111) - origin and side effects
   Phys. Rev. Lett. 72, 3843-3846 (1994).
10. A. Feltz, U. Memmert, and R.J. Behm:
    STM study on the Cl induced (7x7) -> (1x1) phase transition of Si(111)
    Surf. Sci. 307-309, 216-222 (1994).
11. J.V. Barth, R. Schuster, R.J. Behm and G. Ertl:
    K induced reconstructuring of Au(100) observed by scanning tunneling microscopy
    Surf. Sci. 302, 158-170 (1994).
12. J.V. Barth, G. Ertl and R.J. Behm:
    Mesoscopic structural transformations of the Au(111) surface induced by alkali metal adsorption
    Surf. Sci. 302, L319-L324 (1994).