TY  - JOUR
A1  - Oeppen, J.
A1  - Vaupel, J.W.
T1  - DEMOGRAPHY: Enhanced: broken limits to life expectancy
Y1  - 2002
DO  - 10.1126/science.1069675
UR  - http://www.sciencemag.org
JF  - Science
VL  - 296
IS  - 5570
SP  - 1029
EP  - -1031

ER  -