Lu, T.-M.Wang, G.-C.Zhao, Y.-P.2004-12-272004-12-2720012001http://hdl.handle.net/2003/1923910.17877/DE290R-1875enThe American Physical SocietyPhysical Review Letters530Reply: Zhao, Lu, and Wang10.1103/PhysRevLett.86.2697article (journal)