1. Sugano, S., Nishina, Y. and Ohnishi, S. (eds.) (1987) Microclusters, Springer, New York.
2. Jena, P., Rao B. K. and Khana, S. N. (eds) (1987) Physics and Chemistry of Small Clusters, NATO ASI Series No 158. Plenum, New York.
3. See for example: Moskovits, M. (ed.) (1986) Metal Clusters, Wiley, New York
4. Johnson, B. F. G. (ed.) (1980)Transition Metal Clusters, Wiley, New York.
5. Jena, P., Rao, B. K. and Khanna, S. (1992) The Physics and Chemistry of Finite Systems: From Clusters to Crystals, Kluwer Academic Publishers.