On the role of athermal electrons in non-linear photoemission from Ag(100) C. Giannetti, G. Ferrini, S. Pagliara, G. Galimberti, F. Banfi, E. Pedersoli and F. Parmigiani Eur. Phys. J. B, 53 1 (2006) 121-125 Published online: 22 August 2006 DOI: 10.1140/epjb/e2006-00337-0