1. Department of Classical Archaeology University of Vienna Vienna Austria
2. Department of Environment and Biodiversity, Geology Division Paris Lodron University of Salzburg Salzburg Austria
3. Electron Microscopy Center Babeş‐Bolyai University Cluj‐Napoca Romania
4. Department of Geology Babeş‐Bolyai University Cluj‐Napoca Romania
5. Institut für Archäologie Universität Innsbruck Innsbruck Austria
6. Centre for Energy Research Budapest Hungary
7. National Institute for Isotopic and Molecular Technologies Cluj‐Napoca Romania