1. Center for Solid State Physics & New Materials, Institute of Physics, Belgrade

2. Chernovtsy Department of the Institute of Problems of Materials Science,
National Academy of Sciences of Ukraine

3. Department of Physics, University of Maryland

4. Laboratoire National des Champs Magnetiques Pulses Toulouse, France

5. Physics Department - College of Science - University of Notre Dame

6. Physics Faculty, Low Temperature Physics and Superconductivity Department, Moscow State University

7. Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninskii pr. 31, Moscow, 119991 Russia

8. Department of Applied Physics, Helsinki University of Technology, P.O. Box 1100, 02015 TKK, Espoo, Finland