| 000 | 00785nam a2200265Ia 4500 | ||
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| 007 | ta | ||
| 008 | 220923b |||||||| |||| 00| 0 eng d | ||
| 020 | _a0226308839 | ||
| 037 | _cGeneral Book | ||
| 040 |
_aRTL _cRTL _beng |
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| 041 |
_2eng _aeng |
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| 082 | _aX9:84.73.N8, M4 | ||
| 100 |
_aGriliches Zvi Ed. _9254533 |
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| 245 | 0 | _aR and D patents and productivity | |
| 260 |
_aChicago _bUniversity of Chicago Press _c1984 |
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| 300 |
_a512p _ccm. |
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| 490 | _aNational Bureau of Economic Research, Conference Report | ||
| 500 | _aBibliography chapterwise | ||
| 650 |
_aManagement _930681 |
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| 942 |
_hX9:84.73.N8, M4 _cGB _2CC |
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| 999 |
_c501024 _d501024 |
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