Haug, R. J.Hohls, F.Zeitler, U.2004-12-142004-12-1420012001http://hdl.handle.net/2003/1893710.17877/DE290R-1689enThe American Physical SocietyPhysical Review Letters530High Frequency Conductivity in the Quantum Hall Regime10.1103/PhysRevLett.86.5124article (journal)