1. J. M. Williams, J. R. Ferraro, R. J. Thorn, 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, Englewood Cliffs, 1992).
2. A. Izuoka, T. Tachikawa, T. Sugawara, et al., J. Chem. Soc., Chem. Commun., 1472 (1992).
3. N. G. Spitsina, V. N. Semkin, and A. Graja, Acta. Phys. Pol. 84, 869 (1995).
4. Yu. M. Shul’ga, V. I. Rubtsov, and N. G. Spitsina, Zh. Fiz. Khim. 70, 564 (1996).
5. S. V. Konovalikhin, O. A. D’yachenko, G. V. Shilov, et al., Izv. Akad. Nauk, Ser. Khim., No. 8, 1480 (1997).