@inbook{Billari2005,
author = {Billari, F.},
title= {The transition to parenthood in European societies},
year = {2005},
editor = {Hantrais, L.},
editor = {Philipov, D.},
editor = {Billari, F.C.},
booktitle = {Policy implications of changing family formation, Population Studies 49},
address = {Strasbourg},
publisher = {Council of Europe Publishing},
pages = {63--116},
}