@inbook{Billari2006,
author = {Billari, F.},
title= {The Transition to Parenthood in Europe},
year = {2006},
editor = {Hantrais, L.},
editor = {Philipov, D.},
editor = {Billari, F.},
booktitle = {Policy Implications of Changing Family Formation},
address = {Strasbourg},
publisher = {Council of Europe Publishing},
pages = {63--116},
}