1. EP 302304 (1986) BAYER AG (Inv.: F. Jonas, W. Waldenrath).
2. M. Dietrich, J. Heinze, G. Heywang and F. Jonas, J. electroanal. Chem. in press.
3. EP 339340 (1988) BAYER AG (Inv.: F. Jonas, G. Heywang, W. Schmidtberg, J. Heinze).
4. Conductive modifications of polymers with polypyrroles and polythiophenes
5. EP 440957 (1990) BAYER AG (Inv. F. Jonas, W. Krafft).