Atomic origins of the Si 2p surface core-level shifts of the “prototypical” -Ag structureG. Le Lay, M. Göthelid, A. Cricenti, C. Håkansson and P. PerfettiEurophys. Lett., 45 1 (1999) 65-70DOI: https://doi.org/10.1209/epl/i1999-00132-1