@article{Schoen2003,
author = {Schoen, R. and Jonsson, S.H.},
title= {Estimating multistate transition rates from population distributions},
year = {2003},
doi = {10.4054/DemRes.2003.9.1},
journal = {Demographic Research},
volume = {9},
number = {1},
pages = {1--24},
}