1H-NMR RELAXATION STUDIES ON THE NATURE OF THE SEMICONDUCTING STATE OF (TMTTF)2Br AND (TMTTF)2PF6: MAGNETISM T. Takahashi, F. Creuzet, D. Jérôme et J. M. FabreJ. Phys. Colloques, 44 C3 (1983) C3-1095-C3-1097DOI: https://doi.org/10.1051/jphyscol/1983147