000 00569nam a2200181Ia 4500
008 131223s9999 xx 000 0 und d
040 _aISI KOLKATA
041 _aEnglish
082 _a368.40973
_bUn58
100 _aMyers R J
110 _aU S. Social Security Board. Office of the Actuary
245 _aMethodology involved in developing long range cost estimates for the old-age, survivors and disability insurance system
260 _c1959
440 _aActuarial study; no 49
650 _aDisability insurance
650 _aSocial insurance
942 _cBK
999 _c91260
_d91260