TY - JOUR A1 - Vaupel, J.W. T1 - Life expectancy at current rates vs. current conditions: a reflexion stimulated by Bongaarts and Feeney’s ‘How long do we live?’ Y1 - 2002 DO - 10.4054/DemRes.2002.7.8 VL - 7 IS - 8 ER -