General report [for the coal mines comittee]
| Corporate Author: | |
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| Format: | Book |
| Language: | English |
| Published: |
Geneva,
1949.
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| Subjects: |
| Item Description: | La Biblioteca contiene sessiones: 3-4 |
|---|---|
| Physical Description: | volúmenes, mapas (color plegables), cuadros ; 24 cm |
| Bibliography: | Bibliografia: al pie de algs. paginas |