TY  - BOOK
AU  - Estados Unidos. Department of Health and Human Services. Social Security Administration
TI  - Regímenes de seguridad social en las Américas: 1993
T2  - Research Report  
U1  - 465 
PY  - 1994///
CY  - Washington
PB  - U.S. Department of Health and Human Services
KW  -  AMERICAS
KW  - SEGURIDAD SOCIAL
ER  -