| 000 | 00651nam#a2200217#c#4500 | ||
|---|---|---|---|
| 003 | IEF | ||
| 005 | 20180219171858.0 | ||
| 008 | 950601s1992 uuu####fr####| 0||u| |u | ||
| 040 | _aIEF | ||
| 100 | 1 |
_aTrajtenberg, Manuel _943964 |
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| 245 | _aIvory rower versus corporate lab : an empirical study of baseic researchandappropriability | ||
| 260 |
_aCambridge (Mss.) _b NBER _c1992 |
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| 300 |
_a36 p. _b gráf. _c 23 cm |
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| 500 | _aResumen. -- Conclusiones. -- Bibliografía | ||
| 490 | _aNBER. Working paper ; 4146 | ||
| 650 | 4 |
_aASPECTOS ECONOMICOS _932202 |
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| 650 | 4 |
_aCIENCIA _934562 |
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| 942 | _cLIB | ||
| 942 | _z55836 | ||
| 999 |
_c117366 _d117366 |
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