TY - BOOK AU - Lyer, Subramaniam TI - Actuarial mathematics of social security pensions T2 - Quanititative methods in social protection series SN - 9789221108665 AV - HD7091.I9 1999 PY - 1999/// CY - United Kingdom PB - International Labour Oraganization N1 - Includes appendix, bibliography and index ER -