@inbook{Liefbroer2006,
author = {Liefbroer, A.C. and Mulder, C.H.},
title= {Family obligations},
year = {2006},
editor = {Dykstra, P.A.},
editor = {Kalmijn, M.},
editor = {Knijn, T.C.M.},
editor = {Komter, A.E.},
editor = {Liefbroer, A.C.},
editor = {Mulder, C.H.},
booktitle = {Family solidarity in the Netherlands},
address = {Amsterdam},
publisher = {Dutch University Press},
pages = {123--145},
}