TY - JOUR A1 - Li, N. A1 - Lee, R. A1 - Gerland, P. T1 - Extending the Lee–Carter method to model the rotation of age patterns of mortality decline for long-term projections Y1 - 2013 DO - 10.1007/s13524-013-0232-2 VL - 50 IS - 6 ER -