Productivity trends in the United States,
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| Main Author: | |
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| Format: | Book |
| Language: | English |
| Published: |
Princeton [N.J.]
Princeton University Press,
1961.
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| Series: | National Bureau of Economic Research. General series, no. 71
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| Subjects: |
| Physical Description: | 630 p. illus. 24 cm. |
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