368.40973 / E582as.112
E.U.A. Social Security Administration
Social security area population projections: 1997 / Felicitie C. Bell. -- Baltimore: SSA. Office of the Chief Actuary, 1997. v, 130 p. ; 28 cm. (Actuarial study 112) - SSA Pub No. 11-553 .
I Overview. II Assumptions and methods. III Results.
Seguridad social--Estados Unidos
Demografía--Estados Unidos--Estadistica
Bell, Felicitie C.,