@inbook{Mulder2006,
author = {Mulder, C.H. and Kalmijn, M.},
title= {Geographical distances between family members},
year = {2006},
editor = {Dykstra, P.A.},
editor = {Kalmijn, M.},
editor = {Knijn, T.},
editor = {Komter, A.},
editor = {Liefbroer, A.},
editor = {Mulder, C.H.},
booktitle = {Family Solidarity in the Netherlands},
address = {Amsterdam},
publisher = {Dutch University Press},
pages = {43--61},
}