@article{Joyce2002,
author = {Joyce, T.J. and Kaestner, R. and Korenman, S.},
title= {On the validity of retrospective assessments of pregnancy intention},
year = {2002},
doi = {10.1353/dem.2002.0006},
journal = {Demography},
volume = {39},
number = {1},
pages = {199--213},
}