1. W. Warthmann, G. Benczúr-Ürmössy, F. Haschka, D. Ohms, EVS 13 13.-16.10.96, Osaka, Japan.
2. D. Ohms, in: Proceedings of the 8th International Nickel/Cadmium Battery Conference, Prague, 1998.
3. D. Ohms, G. Schädlich, G. Benczúr-Ürmössy, Poster presentation, in: Proceedings of the 6th UECT, Ulm, 1998.
4. K. Gutzeit, D. Ohms, Telescon 2000, Dresden, 7–10 May 2000.