Kummer, M.Rastelli, A.von Känel, H.2004-12-032004-12-0320012001http://hdl.handle.net/2003/192510.17877/DE290R-11663enThe American Physical SocietyPhysical Review Letters530Reversible Shape Evolution of Ge Islands on Si(001)10.1103/PhysRevLett.87.256101article (journal)