Le grand espoir du XXe siecle ; progres technique, progres economique, progres social /
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| Format: | Book |
| Language: | French |
| Published: |
Paris :
Presses universitaires de France,
1950.
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| Edition: | 2. ed.]. |
| Subjects: |
| Physical Description: | xxiii, 223 pages : illustrations ; 23 cm. |
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