| 000 | 00577nam#a2200217#c#4500 | ||
|---|---|---|---|
| 003 | IEF | ||
| 005 | 20180219150718.0 | ||
| 008 | 941205s1990 uuu####fr####| 0||u| |u | ||
| 040 | _aIEF | ||
| 100 | 1 |
_aSicherman, Nachum _941150 |
|
| 245 | _aTechnological change and the careers of older workers | ||
| 260 |
_aCambridge [Mss.] _b NBER _c1990 |
||
| 300 |
_a30 p. _c23 cm. |
||
| 500 | _aResumen. -- Bibliografía | ||
| 490 | _aNBER. Working Paper;3433 | ||
| 650 | 4 |
_aASPECTOS SOCIALES _932204 |
|
| 650 | 4 |
_aTECNOLOGIA _948535 |
|
| 942 | _cLIB | ||
| 942 | _z37392 | ||
| 999 |
_c9809 _d9809 |
||