Proton spin-lattice relaxation study of the neutral-to-ionic transition in TTF-chloranil B. Thudic, J. Gallier, M. Boumaza et H. CailleauJ. Phys. France, 51 16 (1990) 1671-1678DOI: https://doi.org/10.1051/jphys:0199000510160167100