1. Schneider, T., Raedt, H. de, Frick, M.: Z. Phys. B?Condensed Matter76, 3 (1989)
2. Schneider, T., Frick, M.: In: Strong correlation and superconductivity. Fukuyama, H., Maekawa, S., Malozemoff, A.P. (eds.), p. 176. Berlin, Heidelberg, New York: Springer 1989
3. Schneider, T., Frick, M.: Earlier and recent aspects of superconductivity. Springer Series in Solid-State Sciences. Bednorz, J.G., M�ller, K.A. (eds.), Vol. 90, p. 501. Berlin, Heidelberg, New York: Springer 1990
4. Schneider, T., Frick, M., S�rensen, M.P.: In: Proceedings of NATO Workshop on ?Dynamics of Magnetic Fluctuations in High-Temperature Superconductors?. Reiter, G. (ed.). New York: Plenum 1990
5. Schneider, T., S�rensen, M.P.: Z. Phys. B?Condensed Matter,80, 331 (1990)