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| 035 | ⊔ | ⊔ | ‡z(MiU)Aleph003497422 |
| 040 | ⊔ | ⊔ | ‡aDBI ‡cDBI ‡dZBL ‡dEYM |
| 042 | ⊔ | ⊔ | ‡apcc |
| 050 | ⊔ | 4 | ‡aHB1 ‡b.W654 no. 7666 |
| 100 | 1 | ⊔ | ‡aRuhm, Christopher J. |
| 245 | 1 | 0 | ‡aParental employment and child cognitive development / ‡cChristopher J. Ruhm. |
| 260 | ⊔ | ⊔ | ‡aCambridge, MA : ‡bNational Bureau of Economic Research, ‡cc2000. |
| 300 | ⊔ | ⊔ | ‡a33, [18] p. : ‡bill. ; ‡c22 cm. |
| 490 | 0 | ⊔ | ‡aNBER working paper series ; ‡vworking paper 7666 |
| 500 | ⊔ | ⊔ | ‡a"April 2000." |
| 504 | ⊔ | ⊔ | ‡aIncludes bibliographical references (p. 30-33). |
| 530 | ⊔ | ⊔ | ‡aAlso available via the Internet at the NBER Web site. |
| 538 | ⊔ | ⊔ | ‡aMode of access: Internet. |
| 650 | ⊔ | 0 | ‡aCognition in children ‡zUnited States. |
| 650 | ⊔ | 0 | ‡aChild development ‡xEconomic aspects ‡zUnited States. |
| 650 | ⊔ | 0 | ‡aParent and child ‡zUnited States. |
| 650 | ⊔ | 0 | ‡aParents ‡xEmployment ‡zUnited States. |
| 650 | ⊔ | 0 | ‡aChildren of working parents ‡xEducation ‡zUnited States. |
| 710 | 2 | ⊔ | ‡aNational Bureau of Economic Research. |
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