The mining industries, 1899-1939 : a study of output, employment and productivity /
| Main Author: | |
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| Other Authors: | |
| Format: | Book |
| Language: | English |
| Published: |
New York :
National bureau of economic research, inc.,
1944.
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| Series: | General series (National Bureau of Economic Research) ;
no. 43. |
| Subjects: |
| Physical Description: | xxii, 452 pages : diagrams ; 24 cm. |
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| Bibliography: | Bibliographical foot-note. "Charts: Sources and notes": pages 406-408. |