1. T.A. Skotheim (Ed.), Handbook of Conducting Polymers, Vol. 1, Marcel Dekker, New York, 1986.
2. T.A. Skotheim (Ed.), Handbook of Conducting Polymers, Vol. 2, Marcel Dekker, New York, 1986.
3. T.A. Skotheim, R.L. Elsembaumer, J.R. Reynolds (Eds.), Handbook of Conducting Polymers, 2nd edn., Marcel Dekker, New York, 1998.
4. A.J. Heeger, in: Ref. 1b, p. 729.
5. J.L. Brédas, R. Silbey (Eds.), Conjugated Polymers, Kluwer, Dordrect, 1991.