Grigor Hlebarov

Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria
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Geophysics Engineering EOOD, Residential area Strogoziya, Bl. 113, 5800 Pleven, Bulgaria
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Ellatzite-Med AD, 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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Ellatzite-Med AD, 2086 Mirkovo, Bulgaria
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Ellatzite-Med AD, 2086 Mirkovo, Bulgaria

Volume 50 2 August 2021