| 000 | 00622nam#a2200217#c#4500 | ||
|---|---|---|---|
| 003 | IEF | ||
| 005 | 20180219150709.0 | ||
| 008 | 941205s1992 uuu####fr####| 0||u| |u | ||
| 040 | _aIEF | ||
| 100 | 1 |
_aBorjas, George J. _96654 |
|
| 245 | _aSelf-selection and internal migration in the United States | ||
| 260 |
_aCambridge [Mass.] _b NBER _c1992 |
||
| 300 |
_a34 p. _b gráf. _c 22 cm. |
||
| 500 | _aBibliografía. -- Resumen. -- Conclusiones | ||
| 490 | _aNBER. Working paper ; 4002 | ||
| 650 | 4 |
_aMIGRACIONES INTERIORES _947750 |
|
| 650 | 4 |
_aESTADOS UNIDOS _942888 |
|
| 942 | _cLIB | ||
| 942 | _z36863 | ||
| 999 |
_c9681 _d9681 |
||