@inbook{Liefbroer1999,
author = {Liefbroer, A.C.},
title= {From youth to adulthood: understanding changing patterns of family formation from a life course perspective},
year = {1999},
editor = {Van Wissen, L.J.G.},
editor = {Dykstra, P.A.},
booktitle = {Population Issues: An Interdisciplinary Focus},
address = {Den Haag},
publisher = {Nederlands Interdisciplinair Demografisch Instituut (NIDI)},
pages = {53--85},
}