@article{Berger2004,
author = {Berger, L. M. and Waldfogel, J.},
title= {Maternity leave and the employment of new mothers in the United States},
year = {2004},
doi = {10.1007/s00148-003-0159-9},
journal = {Journal of Population Economics},
volume = {17},
number = {2},
pages = {331--349},
}