1. Jerome, D. and Schulz, H. J. , Organic conductors and superconductors, Adv. Phys., 31, 299, 1982
2. Ishiguro, T. and Yamaji, K. , Organic Superconductors, Springer Ser. Solid State Sci., 88, Springer, Berlin, 1990
3. Williams, J. M. , Ferraro, J. R. , Thorn, R. J. , Carlson, K. D. , Geiser, U. , Wang, H. H. , Kini, A. M. , and Whangbo, M.-H. , Organic Superconductors (Including Fullerenes), Prentice Hall, Englewood Cliffs, NJ, 1992.