Self-assembly of Mo6S8 clusters on the Au(111) surface I. Popov, T. Kunze, S. Gemming and G. Seifert Eur. Phys. J. D, 45 3 (2007) 439-446 Published online: 23 May 2007 DOI: 10.1140/epjd/e2007-00170-1