1. Faculty of Metallurgy and Technology, Džordža Vašingtona bb, University of Montenegro, Podgorica, Montenegro
2. Department of Theoretical Physics and Condensed Matter Physics, „VINČA“ Institute of Nuclear Sciences – National Institute of the Republic of Serbia, University of Belgrade, Belgrade, Serbia
3. Institut für Mineralogie und Kristallographie, Althanstra&se 14, Universität Wien – Geozentrum, Wien, Austria