@article{Ondrich1999,
author = {Ondrich, J. and Spiess, C.K. and Yang, Q. and Wagner, G.G.},
title= {Full time or part time? German parental leave policy and the return to work after childbirth in Germany},
year = {1999},
doi = {10.1016/S0147-9121(99)18019-1},
journal = {Research in Labor Economics},
volume = {18},
pages = {41--74},
}