ANION ORDERING IN (TMTTF)2Re04: A DISPLACIVE TRANSITION S.S.P. Parkin, J.J. Mayerle et E.M. Engler J. Phys. Colloques, 44 C3 (1983) C3-1105-C3-1109 DOI: 10.1051/jphyscol/1983149