1. Atomic and Molecular Clusters, edited by E.R. Bernstein (Elsevier, New York, 1990)
2. Physics and Chemistry of Finite Systems – From Clusters to Crystals: Proceedings of the NATO Advanced Research Workshop, edited by P. Jena, S.N. Khanna, B.K. Rao (Kluwer Academic Publishing, 1991)
3. Clusters of Atoms and Molecules, edited by H. Haberland (Springer-Verlag, Berlin, 1994)
4. U. Naher, S. Bjornholm, S. Frauendorf, F. Garcias, C. Guet, Phys. Rep. 285, 245 (1997)
5. S. Sugano, H. Koizumi, Microcluster Physics (Springer-Verlag, New York, 1998)