@book{De Graaf2000,
author = {De Graaf, N.D. and Graaf, P.M. de and Kraaykamp, G. and Ultee, W.},
title= {Family Survey Dutch Population 2000},
year = {2000},
doi = {10.17026/dans-z8n-9wj5},
address = {The Hague},
publisher = {DANS},
}