Trigonometrical measurements of changes in elevation
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| Format: | Article |
| Language: | English |
| PhysicalDescription: | Grafy 2. Res. slov., angl., rus., lit. 7 zázn. v češ., angl., nem. |
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| Physical Description: | Grafy 2. Res. slov., angl., rus., lit. 7 zázn. v češ., angl., nem. |
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