@article{Reher2009,
author = {Reher, D.  and Requena, M.},
title= {The National Immigrant Survey of Spain: A new data source for migration studies in Europe},
year = {2009},
doi = {10.4054/DemRes.2009.20.12},
journal = {Demographic Research },
volume = {20},
number = {12},
pages = {253--278},
}