@article{Kühhirt2012,
author = {Kühhirt, Michael and Ludwig, Volker},
title= {Domestic Work and the Wage Penalty for Motherhood in West Germany},
year = {2012},
doi = {10.1111/j.1741-3737.2011.00886.x},
journal = {Journal of Marriage and Family},
volume = {74},
number = {1},
pages = {186--200},
}