MAP20080031329 Siu-Hang, Johnny Threshold life tables and their applications / Johnny Siu-Hang Li, Mary R. Hardy and Ken Seng Tan En: North American actuarial journal. - Schaumburg : Society of Actuaries, 1997- = ISSN 1092-0277. - Tomo 12 Número 2 - 2008 I. Hardy, Mary R. . II. Seng Tan, Keng .