Marsiglio, F.2004-12-032004-12-0320012001http://hdl.handle.net/2003/186210.17877/DE290R-4636enThe American Physical SocietyPhysical Review Letters530Implications of Reflectance Measurements on the Mechanism for Superconductivity in MgB210.1103/PhysRevLett.87.247001article (journal)