TY - BOOK AU - International Social Security Association TI - Actuarial modelling in pension insurance; performance of health care schemes, complementary schemes U1 - 1212 PY - 1999/// CY - Ginebra PB - ISSA KW - PROTECCION COMPLEMENTARIA KW - SEGURIDAD SOCIAL KW - SEGURO DE SALUD KW - VALUACION ACTUARIAL KW - REGIMEN DE PENSIONES ER -