Mapping the femtosecond dynamics of supported clusters with nanometer resolution M. Rohmer, F. Ghaleh, M. Aeschlimann, M. Bauer and H. Hövel Eur. Phys. J. D, 45 3 (2007) 491-499 Published online: 01 August 2007 DOI: 10.1140/epjd/e2007-00248-8