Keller, H.Schneider, T.2004-12-142004-12-1420012001http://hdl.handle.net/2003/1900610.17877/DE290R-1734enThe American Physical SocietyPhysical Review Letters530Isotope Effects in Underdoped Cuprate Superconductors10.1103/PhysRevLett.86.4899article (journal)