@article{Ermisch1980,
author = {Ermisch, J.},
title= {Time Costs, Aspirations and the Effect  of  Economic Growth on German Fertility},
year = {1980},
doi = {10.1111/j.1468-0084.1980.mp42002004.x},
journal = {Oxford Bulletin of Economics and Statistics},
volume = {42},
number = {2},
pages = {125--143},
}