@inbook{Fokkema2008,
author = {Fokkema, T. and Esveldt, I.},
title= {Motivation to have children in Europe},
year = {2008},
editor = {Höhn, Ch.},
editor = {Avramov, D.},
editor = {Kotowska, I.},
booktitle = {People, Population Change and Policies: Lessons from the Population Policy Acceptance Study - Volume 1},
address = {Berlin},
publisher = {Springer},
pages = {141--155},
}