P. HORSCH
Max-Planck-Institute, Stuttgart, Germany
J. RANNINGER
Centre de Recherches sur les Très Basses Tempèratures - C.N.R.S., Grenoble, France
R. MICNAS
Insitute of Physics, A. Mickiewicz University, Poznan, Poland
T. XIANG
Interdisciplinary Research Center for Superconductivity, Cambridge, U.K.
R.V. SABUROVA
Physical-Technical Institute, Russian Academy of Science, Kazan, Russia
A. M. OLEŚ
Institute of Physics, Jagellonian University, Krakow, Poland
J.R. IGLESIAS
Instituto de Fisica, Universidad do Rio Grande do Sul, Porto Alegre, Brasil
M. ACQUARONE
Dipartimento di Fisica, Università di Parma
