@inbook{Van Mol2016,
author = {Van Mol, C. and de Valk, H.A.G.},
title= {Migration and immigrants in Europe: A historical and demographic perspective},
year = {2016},
doi = {10.1007/978-3-319-21674-4_3},
editor = {Garcés-Mascareñas, B.},
editor = {Penninx, R.},
booktitle = {Integration processes and policies in Europe: Contexts, levels, and actors},
address = {Basel},
publisher = {Springer},
pages = {31--55},
}