A neutron scattering study of the impurity effects on the one-dimensional antiferromagnet TMMC J.P. Boucher, W.J. Fitzgerald, K. Knorr, C. Dupas et J.P. Renard J. Physique Lett., 39 7 (1978) 86-89 DOI: 10.1051/jphyslet:0197800390708600