000 00560nam a2200181Ia 4500
008 140128s9999 xx 000 0 und d
040 _besp Biblioteca CIESS
041 _aing
082 _a371.17973 .E582s.
100 _aE.U.A. Department of Health, Education and Welfare. Social -
245 _aSummary of the Old-age and Survivors Insurance System as midified by the 1954 -
260 _aWashington
260 _bDivision of the Actuary
260 _c1954
300 _a7 p., 27 cm.
500 _a007266
650 _aJubilaciones y pensiones - EUA
999 _c4688
_d4688