000 00496nam a2200181Ia 4500
008 131223s9999 xx 000 0 und d
040 _aISI KOLKATA
041 _aEnglish
082 _a368.40973
_bUn58
100 _aFaber J F
110 _aU S. Social Security Board. Office of the Actuary
245 _aSocial security area population projections, 1981
260 _c1981
440 _aActuarial study; no 85
650 _aSocial insurance
700 _aWilkin J C
_4Auth.
942 _cBK
999 _c84098
_d84098