Kim, Jong-JeanYeo, Jeong-Ho2004-12-032004-12-0320012001http://hdl.handle.net/2003/103310.17877/DE290R-3941enThe American Physical SocietyPhysical Review Letters530Comment on "Period Doubling of a Torus near the Ferroelectric Phase Transition of a KH2PO4 Crystal"10.1103/PhysRevLett.87.118901article (journal)