000 00484nam a2200169Ia 4500
008 131223s9999 xx 000 0 und d
040 _aISI KOLKATA
041 _aEnglish
082 _a368.40973
_bUn58
100 _aGreville T N E
110 _aU S. Sosial Security Board. Office of the Actuary
245 _aPresent values of OASI benefits in current payment status, 1940-54
260 _c1955
440 _aActuarial study; no 42
650 _aSocial insurance
942 _cBK
999 _c32770
_d32770