Prirodne nauke
Mineralogija i kristalografija (dr.sc.)
Institute of Mineralogy and Crystallography "Acad. Ivan Kostov" Bulgarian Academy of Sciences
bugarskiDoktorat
Institute of Mineralogy and Crystallography "Acad. Ivan Kostov" Bulgarian Academy of Sciences
Institute of Mineralogy and Crystallography "Acad. Ivan Kostov" Bulgarian Academy of Sciences
Institute of Mineralogy and Crystallography "Acad. Ivan Kostov" Bulgarian Academy of Sciences
Institute of Mineralogy and Crystallography "Acad. Ivan Kostov" Bulgarian Academy of Sciences