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| 005 | 20220926014955.0 | ||
| 006 | a|||||r|||| 00| 0 | ||
| 007 | ta | ||
| 008 | 220923b |||||||| |||| 00| 0 eng d | ||
| 037 | _cGeneral Book | ||
| 040 |
_aRTL _cRTL _beng |
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| 041 |
_2eng _aeng |
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| 082 | _aX:(B286).N76<N72r, L2 | ||
| 110 |
_aNATIONAL BUREAU OF ECONOMIC RESEARCH _9317506 |
||
| 245 | 0 |
_a52nd annual report,1972 _b Innovation in economic research. |
|
| 260 |
_aNew York _bNational Bureau of Economic Research _c1972 |
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| 300 |
_a114p. _ccm. |
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| 700 |
_aNATIONAL BUREAU OF ECONOMIC RESEARCH _9317507 |
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| 942 |
_hX:(B286).N76<N72r, L2 _cGB _2CC |
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| 999 |
_c630263 _d630263 |
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