TY  - BOOK
AU  - Lingg,Barbara Ann
AU  - Carroll, John J.
ED  - E.U.A. Department of Health, Education and Welfare
TI  - Social security beneficiaries in metropolitan areas, 1979
U1  - 368.40973 21
PY  - 1981///
CY  - Washington
PB  - SSA. Office of Research and Statistics
KW  - Seguridad social
KW  - Estadística
KW  - El Salvador
KW  - 1979
ER  -