@article{Engelhardt2004,
author = {Engelhardt, H. and Prskawetz, A. },
title= {On the changing correlation between fertility and female employment over space and time},
year = {2004},
doi = {10.1023/B:EUJP.0000014543.95571.3b},
journal = {European Journal of Population},
volume = {20},
pages = {35--62},
}