1. K. Tanigaki, inHandbook of Organic Conductive Molecules and Polymers, Vol. 1, Ed. H. S. Nalwa, J. Wiley, Chichester, 1997, 293.
2. J. M. Williams, J. R. Ferraro, R. J. Thorn, K. D. Carlson, U. Geiser, H. H. Wang, A. M. Kini, and M.-H. Whangboo,Organic Superconductors (Including Fullerenes): Synthesis, Structure, Properties, and Theory, Prentice-Hall, Englewood Cliffs, New Jersey, 1992.
3. P. Day, inHandbook of Conducting Polymers, Vol. 1, Ed. T. E. Scotheim, Marcel Dekker, New York, 1986, 117.
4. G. E. Wnek, inHandbook of Conducting Polymers, Vol. 1, Ed. T. E. Scotheim, Marcel Dekker, New York, 1986, 205.
5. Phtalocyanines: Properties and Applications, Vol. 4, Eds. C. C. Leznoff and A. B. P. Lever, VCH, Weinheim, 1996.