TY  - BOOK
AU  - Kormes,Mark
ED  - International Labour Office
TI  - An actuarial report on the Costa Rican social security fund,
AV  - HD7134 .K6
U1  - 331.2544 
PY  - 1945///
CY  - Montreal
KW  - Caja Costarricense de Seguro Social
KW  - Social security
KW  - Costa Rica
N1  - At head of title: International labour office
ER  -