@article{Holland2013,
author = {Holland, J.A. and de Valk, H.A.G.},
title= {Ideal ages for family formation among immigrants in Europe},
year = {2013},
doi = {10.1016/j.alcr.2013.08.002},
journal = {Advances in Life Course Research},
volume = {18},
number = {4},
pages = {257--269},
}