1. Halperin, W.P. (1986) Quantum-size effects in metal partides, Rev. Mod. Phys. 58, 533–606
2. ’Clusters and Colloids. From theory to applications’,ed. Günter Schmid, VCH (Weinheim), 1994
3. ’Physics and Chemistry of metal cluster compounds. Model systems for small metal particles.’ ed. L.Jos de Jongh, Kluwer Academic (Dordrecht), 1994, (Series of Physical and Chemical Properties of Materials with Low-dimensional Structures)
4. Schmid, G. (1992) Chem. Rev. 92, 1709; (1985) Structure and Bonding 62, 52–85
5. Longoni, G., Ceriotti, A., Marchionna, M., and Piro, G. (1988) Large molecular metal carbonyl clusters: models of metal particles in ’Surface Organometallic Chemistry: Molecular approaches to surface catalysis’, eds. J.M. Basset et al., Kluwer Academic