1. M. Zelent, Prof. M. Krawczyk; Faculty of Physics, Adam Mickiewicz University in Poznan; 61-614 Poznań Poland
2. Dr. J. Tóbik, Dr. M. Mruczkiewicz; Institute of Electrical Engineering, Slovak Academy of Sciences; 841 04 Bratislava Slovakia
3. Prof. K.Y. Guslienko; Depto. Fisica de Materiales, Universidad del País Vasco, UPV/EHU; 20018 San Sebastian Spain
4. Prof. K.Y. Guslienko; IKERBASQUE, the Basque Foundation for Science; 48013 Bilbao Spain