Influence of surface interband transitions on surface plasmon dispersion: K/Ag(110)F. Moresco, M. Rocca, T. Hildebrandt, V. Zielasek and M. HenzlerEurophys. Lett., 43 4 (1998) 433-438DOI: https://doi.org/10.1209/epl/i1998-00377-0