A density-functional study of aluminium, iron, zirconium and cerium microclusters Y. F. Ouyang, D. M. Zhai, J. Fang, P. Xiang, Y. Du and Y. H. He Eur. Phys. J. D, 54 3 (2009) 629-641 Published online: 09 July 2009 DOI: 10.1140/epjd/e2009-00198-1