Time-resolved measurements of electron transfer processes at the PTCDA/Ag(111) interfaceC. H. Schwalb, M. Marks, S. Sachs, A. Schöll, F. Reinert, E. Umbach and U. HöferEur. Phys. J. B, 75 1 (2010) 23-30DOI: https://doi.org/10.1140/epjb/e2010-00106-6