1. Department of Structure of Matter, Earth and Atmospheric Physics, Astrophysics, Faculty of Physics, Univesity of Bucharest, 077125 Magurele (Ilfov), Romania
2. Geological Institute of Romania, 1, Caransebes Str., 012271 Bucharest, Romania
3. AccenPro 2000 Ltd., 24A, Marasesti Str., 077125 Magurele (Ilfov), Romania
4. Faculty of Chemistry, University of Bucharest, 90-92, Panduri Avn., 050659 Bucharest, Romania
5. Horia Hulubei National Institute for Physics and Nuclear Engineering, 30 Reactorului Str., 077125 Magurele (Ilfov), Romania
6. Art Conservation Department, Romanian Patriarchy, 63, Maria Rosetti Str., 020483 Bucharest, Romania