Chou, F. C.Hunt, A. W.Imai, T.Thurber, K. R.2004-12-032004-12-0320012001http://hdl.handle.net/2003/187010.17877/DE290R-12368enThe American Physical SocietyPhysical Review Letters53017O NMR Study of q = 0 Spin Excitations in a Nearly Ideal S = (1/2) 1D Heisenberg Antiferromagnet, Sr2CuO3, up to 800 K10.1103/PhysRevLett.87.247202article (journal)