1. A. P. Shpak, Yu. A. Kunitskii, and V. L. Karbovskii, Clusters and Nanomaterials [in Russian], Akademperiodika, Kiev (2001).
2. A. P. Shpak, Yu. A. Kunitskii, and V. I. Lisov, Cluster and Nanostructural Materials [in Russian], Akademperiodika, Kiev (2002).
3. A. P. Shpak, Yu. A. Kunitskii, O. O. Korotchenkov, and S. Yu. Smik, Low-Dimensional Quantum Systems [in Russian], Akademperiodika, Kiev (2003).
4. Yu. I. Petrov, Clusters and Small Particles [in Russian], Nauka, Moscow (1986).
5. A. P. Il’in, G. V. Yablunovskii, and N. A. Yavorovskii, Clusters in Gaseous Media [in Russian], Nauka, Novosibirsk (1987).