DFT and GEGA genetic algorithm optimized structures of Cunν (ν=±1,0,2; n=3-13) clusters G. Guzmán-Ramírez, F. Aguilera-Granja and J. Robles Eur. Phys. J. D, 57 1 (2010) 49-60 Published online: 12 January 2010 DOI: 10.1140/epjd/e2010-00001-4