Chemical preparation and physical properties of a metallic organic charge transfer complex : HMTTF-TCNQ P. Delhaes, S. Flandrois, J. Amiell, G. Keryer, E. Toreilles, J.M. Fabre, L. Giral, C.S. Jacobsen et K. Bechgaard J. Physique Lett., 38 12 (1977) 233-236 DOI: 10.1051/jphyslet:019770038012023300