Preface: 11th International Symposium on Small Particles and Inorganic Clusters C. Bréchignac, M. Gross, H. Haberland and L. Wöste Eur. Phys. J. D, 24 1-3 (2003) 5 Published online: 03 July 2003 DOI: 10.1140/epjd/e2003-00100-3