@article{van Raalte2013,
author = {van Raalte, A.A. and Caswell, H.},
title= {Perturbation analysis of indices of lifespan variability},
year = {2013},
doi = {10.1007/s13524-013-0223-3},
journal = {Demography},
volume = {50},
number = {5},
pages = {1615--1640},
}