@article{Blau1989,
author = {Blau, David M. and Robins, Philip K.},
title= {Fertility, employment, and child-care costs},
year = {1989},
doi = {10.2307/2061526},
URL = {https://doi.org/10.2307/2061526},
volume = {26},
number = {2},
pages = {287--299},
}