@article{Feskens2006,
author = {Feskens, R. and Hox, J. and Lensvelt-Mulders, G. and Schmeets, H.},
title= {Collecting data among ethnic minorities in an international perspective},
year = {2006},
doi = {10.1177/1525822X06288756},
journal = {Field Methods},
volume = {18},
number = {3},
pages = {284--304},
}