@article{De Beer2010,
author = {De Beer, J. and Raymer, J. and Van der Erf, R. and Van Wissen, L. },
title= {Overcoming the problems of inconsistent international migration data: A new method applied to flows in Europe},
year = {2010},
doi = {10.1007/s10680-010-9220-z},
journal = {European Journal of Population},
volume = {26},
number = {4},
pages = {459−481},
}