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160906s1962 xxu ||||| eng |
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|a 3961753
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|a Sistema de Bibliotecas de Universidad de Costa Rica
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|a eng
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|a 301.243
|b U58R
|2 21
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|a Universities-National Bureau Committee for Economic Research
|e Autor/a
|4 aut
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|a The rate and direction of inventive activity :
|b 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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|a Princeton, N.J. :
|b Princeton University Press,
|c 1962.
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|a 635 páginas cuadros, gráficos.
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|a INVENTOS
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650 |
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|a PSICOLOGIA SOCIAL
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916 |
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|a Reconversión
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