@inbook{Vallin2006,
author = {Vallin, J.},
title= {Mortality, sex, and gender},
year = {2006},
editor = {Caselli, G.},
editor = {Vallin, J.},
editor = {Wunsch, G.},
booktitle = {Demography: Analysis and Synthesis},
publisher = {Elsevier},
pages = {177--194},
}