@article{Vaupel2003,
author = {Vaupel, J. and Canudas Romo, V.},
title= {Decomposing change in life expectancy: A bouquet of formulas in honor of Nathan Keyfitz’s 90th birthday},
year = {2003},
doi = {10.2307/3180798},
volume = {40},
number = {3},
pages = {201--2016},
}