@article{Nau2012,
author = {Nau, C. and Firebaugh, G.},
title= {A new method for determining why length of life is more unequal in some populations than in others},
year = {2012},
doi = {10.1007/s13524-012-0133-9},
journal = {Demography},
volume = {49},
number = {4},
pages = {1207−1230},
}