Ganguly, A. K.Hirshfield, J. L.Wang, Mei2004-12-032004-12-0320012001http://hdl.handle.net/2003/129010.17877/DE290R-2465enThe American Physical SocietyPhysical Review Letters530Observation of Stimulated Emission at High GyroharmonicsBasis for a Synchrotron Resonance Maser10.1103/PhysRevLett.87.158301article (journal)