@article{Wolf2009,
author = {Wolf, D.A. and Gill, T.M. },
title= {Modeling transition rates using panel current-status data: How serious is the bias?},
year = {2009},
doi = {10.1353/dem.0.0057},
journal = {Demography},
volume = {46},
number = {2},
pages = {371--386},
}