TY - JOUR A1 - Li, N.R. A1 - Lee, R. T1 - Coherent mortality forecasts for a group of populations: An extension of the Lee-Carter method Y1 - 2005 DO - 10.1353/dem.2005.0021 JF - Demography VL - 42 IS - 3 SP - 575 EP - -594 ER -