00292nam a2200109Ia 4500082001900000100003700019245004800056260002600104300001600130500000500146700003100151  a530.3bH293.FM  aHarper, F. S. and Workman, L. C.  aFundamental mathematics of Life Insuranceb  aIllinoisbIrwinc1970  axiii, 394p.  a  aWorkman, L. C. ; jt. auth.