The rate and direction of inventive activity : economic and social factors; a conference of the Universities-National Bureau Committee on Economic Growth of the Social Science Research Council.
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| Formato: | Libro |
| Lenguaje: | English |
| Publicado: |
Princeton, N.J. :
Princeton University Press,
1962.
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| Materias: |
| Descripción Física: | 635 páginas cuadros, gráficos. |
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