Mead, Lawrence R.Ringermacher, Harry2004-12-032004-12-0320012001http://hdl.handle.net/2003/69810.17877/DE290R-3606enThe American Physical SocietyPhysical Review Letters530Comment on "Observation of Superluminal Behaviors in Wave Propagation"10.1103/PhysRevLett.87.059402article (journal)