Rocca, M.Savio, L.Vattuone, L.2004-12-032004-12-0320012001http://hdl.handle.net/2003/203410.17877/DE290R-11723enThe American Physical SocietyPhysical Review Letters530Role of Steps and of Terrace Width in Gas-Surface Interaction: O2/Ag(410)10.1103/PhysRevLett.87.276101article (journal)