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230619 1995 gr |||||| d |
| 040 |
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|a Sistema de Bibliotecas de la Universidad de Costa Rica
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| 100 |
1 |
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|a Eaton, Jonathan
|d 1950-
|e Autor/a
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| 245 |
1 |
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|a Trade in ideas :
|b patenting and productivity in the OECD /
|c Jonathan Eaton, and Samuel Kortum.
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| 260 |
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|a [Lugar de publicación no identificado] :
|b Boston University, Institute for Economic Development,
|c 1995.
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| 300 |
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|a 37 páginas.
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| 490 |
0 |
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|a IED discussion paper series
|v number 51
|v 51 páginas
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| 949 |
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|a -AEM
|