TY - BOOK ED - E.U.A. Department of Health and Human Services TI - Social security handbook 1993: Retirement insurance. Survivors insurance. Disability insurance. health insurance. Suppemental security income. Black lung benefits SN - 0160419522 U1 - 368.40973 21 PY - 1993/// CY - Washington PB - SSA. Government Printing Office KW - Jubilaciones y pensiones KW - Manuales KW - Estados Unidos KW - 1993 KW - Seguridad social ER -