1. Faculty of Environmental Science, Babes-Bolyai University, Piata Stefan Cel Mare 4, RO-400192 Cluj-Napoca, Romania
2. Laboratory of Mineralogy and Petrology (Luminescence Research Group), Geological Institute (S8), Ghent University, Krijgslaan 281, B-9000 Gent, Belgium
3. Systemic Archaeology Institute, 1 Decembrie 1918 University, Mihai Viteazul 12, RO-510010, Alba Iulia, Romania