TY  - BOOK
ED  - E.U.A. Department of Health and Human Services
TI  - Social security programs in the United States [1987]
U1  - 368.40973 21
PY  - 1987///
CY  - Washington
PB  - SSA. Office of Research
KW  - Programas de actividades en la seguridad social
KW  - Estados Unidos
KW  - 1987
KW  - Seguridad social
ER  -