000 00454nam a2200157Ia 4500
008 131223s9999 xx 000 0 und d
040 _aISI KOLKATA
041 _aEnglish
082 _a368.40973
_bUn58
110 _aU S. Social Security Board. Office of the Actuary
245 _aUnited States population projections for OASDI cost estimates, 1980
260 _c1980
440 _aActuarial study; no 82
650 _aSocial insurance
942 _cBK
999 _c83500
_d83500