Pracovné prostredie v baníctve zborník, 7.-8. októbra 1969 Grandhotel Starý Smokovec
| Format: | Book |
|---|---|
| Language: | Slovak |
| PhysicalDescription: | Preruš. str. 29 cm |
| Published: |
Košice
SVTS-Dom techniky
1969
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| Subjects: |
| Physical Description: | Preruš. str. 29 cm |
|---|
