1. Surface Diffusion: Atomistic and Collective Processes, ed by M.C. Tringides (Plenum, New York 1997)
2. Collective Diffusion on Surfaces: Correlation Effects and Adatom Interactions, ed by M.C. Tringides, Z. Chvoj (Kluwer, Dordrecht 2001)
3. W.N. Unertl. In: Handbook of Surface Science Vol. 1, Physical Structure, ed by W.N. Unertl (Elsevier, Amsterdam 1996)
4. C. Ratsch, P. Ruggerone, M. Scheffler. In: Surface Diffusion: Atomistic and Collective Processes, ed by M.C. Tringides (Plenum, New York 1997)
5. Gun-Do Lee, C.Z. Wang, Z.Y. Lu, K.M. Ho: Surf. Sci. 426, L427 (1999)