Iren Ilieva

Geological Institute,Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria
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University of Mining and Geology, “St. Ivan Rilski”, 1700, Sofia, Bulgaria
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“Elatsite - Med” PLC, 2086 Mirkovo, Bulgaria
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Geological Institute,Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria
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Geological Institute,Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria
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“Geomarin Center” OOD, 99 J. Bourchier Blvd, 1407 Sofia, Bulgaria

Volume 45 - December 2016

Higher lnstitur of Mining and Geology, Sofia 1156
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Enterprise for Geological Exploration, Sofia
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Enterprise for Geological Exploration, Sofia

Volume 20 4 August 1990