| 000 | 00611nam a2200193Ia 4500 | ||
|---|---|---|---|
| 008 | 140128s9999 xx 000 0 und d | ||
| 040 | _besp Biblioteca CIESS | ||
| 041 | _aing | ||
| 082 | _a371.17973 .E582hi. | ||
| 100 | _aE.U.A. Department of Health, Education and Welfare. Social - | ||
| 245 | _aHistory of the provisions of Old-Age, Survivors, Disability, and Health Insura- | ||
| 260 | _aWashington | ||
| 260 | _bOffice of the Actuary | ||
| 260 | _c1972 | ||
| 300 | _a12 p., 26 cm. | ||
| 500 | _a006958 | ||
| 650 | _aHart, Marice C., pról. | ||
| 650 | _aJubilaciones y pensiones - EUA - Historia | ||
| 999 |
_c4464 _d4464 |
||