368.40973 / E582as.88
E.U.A. Department of Health and Human Services Social Security Administration
Social security area population projections, 1983 / John C. Wilkin. -- Washington: SSA. Office of the Actuary, 1983. 74 p. ; 28 cm. (Actuarial study 88) - SSA Pub No. 11-11535 .
A Basic concepts. B Assumptions. C Methods. D Results, E Tables.
Población--Estados Unidos--Estadística
Seguridad social--Estados Unidos--Estadística
Wilkin, John C.,