1. Institute of Nuclear Sciences “Vinca”, Laboratory of Solid State Physics, Post Office Box 522, 11001 Belgrade, Serbia and Montenegro
2. Faculty of Mining and Geology, Laboratory for Crystallography, University of Belgrade, Post Office Box 162, 11001 Belgrade, Serbia and Montenegro
3. Faculty of Chemistry, Department for Inorganic Chemistry, University of Belgrade, Post Office Box 158, 11001 Belgrade, Serbia and Montenegro
4. Institute of Nuclear Sciences “Vinca”, Laboratory of Physical Chemistry, Post Office Box 522, 11001 Belgrade, Serbia and Montenegro