000 00360cam a22001217a 4500
008 180718b1965 xxu||||| |||| 00| 0 eng d
082 _aK85 M347
100 _aMarples, William F.
245 _aActuarial aspects of pension security
_cby William F. Marples
260 _aHomewood
_bR. D. Irwin
_c1965
300 _a210p.
650 _aOld age pensions --Mathematics
999 _c437640
_d437640