DIGGABILITY OF OVERBURDEN ROCKS IN POLISH BROWN COAL OPENCAST MINES.
academicJournal
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DIGGABILITY OF OVERBURDEN ROCKS IN POLISH BROWN COAL OPENCAST MINES.
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Autor/in / Beteiligte Person: | KOLKIEWICZ, W ; SZEPIETOWSKI, W |
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Medientyp: | academicJournal |
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