@article{Kühhirt2012,
author = {Kühhirt, M.},
title= {Childbirth and the long-term division of labour within couples: How do substitution, bargaining power, and norms affect parents’ time allocation in West Germany?},
year = {2012},
doi = {10.1093/esr/jcr026},
volume = {28},
number = {5},
pages = {565--582},
}