1. J. M. Williams , R. J.Thorn, J. R.Ferraro, K. D.Carlson, U.Geiser, H. H.Wang, A. M.Kini and M.-H.Whangbo, Organic Superconductors (Including Fullerenes) Synthesis, Structure, Properties, and Theory, Prentice-Hall, New Jersey, 1992
2. J.-P. Farges , Organic Conductors, Marcel Dekker, New York, 1994
3. T. Ishiguro , K.Yamaji and G.Saito, Organic Superconductors, 2nd edn, Springer-Verlag, Berlin, 1998
4. Organic Conductors, Superconductors and Magnets: From Synthesis to Molecular Electronics, ed. L. Ouahab and E. Yagubskii, Kluwer Academic Pub., Dordrecht, New York, 2004
5. T. Imakubo , in TTF Chemistry—Fundamentals and Applications of Tetrathiafulvalene: Halogenated TTFs, ed. J. Yamada and T. Sugimoto, Kodansha and Springer, Tokyo, 2004, ch. 3 and references cited therein