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| 035 | ⊔ | ⊔ | ‡a(OCoLC)5424189 |
| 040 | ⊔ | ⊔ | ‡aCSL ‡cCSL ‡dm.c. ‡dIUL |
| 090 | ⊔ | ⊔ | ‡aH31 ‡b.R188 P-6222 ‡mIULA |
| 100 | 1 | 0 | ‡aDe Tray, Dennis N. |
| 245 | 1 | 4 | ‡aThe demand for children in a "natural fertility" population / ‡cby Dennis De Tray. |
| 260 | 0 | ⊔ | ‡aSanta Monica, Calif. : ‡bRand, ‡c1978. |
| 300 | ⊔ | ⊔ | ‡a24 p. ; ‡c28 cm. |
| 490 | 0 | ⊔ | ‡aRand Paper series ; ‡vP-6222 |
| 504 | ⊔ | ⊔ | ‡aBibliography: p. 21-22. |
| 538 | ⊔ | ⊔ | ‡aMode of access: Internet. |
| 650 | ⊔ | 0 | ‡aBirth control ‡zPakistan. |
| 650 | ⊔ | 0 | ‡aFertility, Human ‡zPakistan. |
| 650 | ⊔ | 0 | ‡aFamily size ‡zPakistan. |
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