@article{Kögel2004,
author = {Kögel, T.},
title= {Did the association between fertility and female employment within OECD countries really change its sign?},
year = {2004},
doi = {10.1007/s00148-003-0180-z},
journal = {Journal of Population Economics},
volume = {17},
number = {1},
pages = {45--65},
}