Observing the lateral confinement of surface state electrons in room temperature stable metallic nanostructuresF. Calleja, J. J. Hinarejos, A.L. Vázquez de Parga and R. MirandaEur. Phys. J. B, 40 4 (2004) 415-419DOI: https://doi.org/10.1140/epjb/e2004-00249-y