000 | 00638nam a2200205Ia 4500 | ||
---|---|---|---|
008 | 140128s9999 xx 000 0 und d | ||
040 | _besp Biblioteca CIESS | ||
041 | _aing | ||
082 | _a371.17973 .E582a.s..10 . | ||
100 | _aE.U.A. Railroad Retirement Board | ||
245 | _aRailroad Retirement disability program, 1937-71 \ Daniel Drennan ; prĂ³l. de Ja- | ||
260 | _aChicago | ||
260 | _bOffice of the Chief Actuary | ||
260 | _c1972 | ||
300 | _a51 p., 27 cm. | ||
500 | _a007264 | ||
650 | _aDrennan, Daniel F. | ||
650 | _aFerrocarriles - Salarios, pensiones, etc - E UA | ||
650 | _aSeguridad social - E. U. A. | ||
999 |
_c4686 _d4686 |