| 000 | 00805nam#a2200253#c#4500 | ||
|---|---|---|---|
| 999 |
_c38303 _d38303 |
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| 003 | IEF | ||
| 005 | 20250822130042.0 | ||
| 007 | ta | ||
| 008 | 941205s1951 xxu fr | 0||u|eng |u | ||
| 040 |
_aES-MaIEF _bspa _cES-MaIEF |
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| 100 | 1 |
_aBarger, Harold _93694 |
|
| 245 | 1 | 4 |
_aThe transportation industries 1889-1946 _ba study of output employment, and productivity _c by Harold Barger |
| 260 |
_aNew York _bNational Bureau of Economic Research _c1951 |
||
| 300 |
_aXVI, 288 p. _c24 cm |
||
| 490 |
_aNational Bureau of Economic Research ; _v51 |
||
| 650 | 4 |
_aTRANSPORTES _948594 |
|
| 650 | 4 |
_aTRABAJO _948201 |
|
| 650 | 4 |
_aPRODUCTIVIDAD _948148 |
|
| 650 | 4 |
_aESTADOS UNIDOS _942888 |
|
| 650 | 4 |
_aHISTORIA _945399 |
|
| 710 |
_933614 _aNational Bureau of Economic Research |
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| 942 | _cLIB | ||