Buttet, J.Félix, C.Harbich, W.Rabin, I.Sieber, C.2004-12-272004-12-2720012001http://hdl.handle.net/2003/1931710.17877/DE290R-6963enThe American Physical SocietyPhysical Review Letters53010.1103/PhysRevLett.86.2992article (journal)