Becker, K.Choi, K.-Y.Geibel, C.Kaul, E. E.Lemmens, P.2004-12-032004-12-0320012001http://hdl.handle.net/2003/174510.17877/DE290R-12068enThe American Physical SocietyPhysical Review Letters530Evidence for an Unconventional Magnetic Instability in the Spin-Tetrahedra System Cu2Te2O5Br210.1103/PhysRevLett.87.227201article (journal)