@article{Sobotka2003,
author = {Sobotka, T.},
title= {Tempo-quantum and period-cohort interplay in fertility changes in Europe. Evidence from the Czech Republic, Italy, the Netherlands and Sweden},
year = {2003},
URL = {www.demographic-research.org},
journal = {Demographic Research},
volume = {8},
number = {6},
pages = {151--214},
}