@article{Bell2002,
author = {Bell, M. and Blake, M. and Boyle, P. and Duke-Williams, O. and Rees, P. and Stillwell, J. and Hugo, G.},
title= {Cross-national comparison of internal migration: issues and measures},
year = {2002},
doi = {10.1111/1467-985X.t01-1-00247},
journal = {Journal of the Royal Statistical Society: Series A (Statistics in Society)},
volume = {165},
number = {3},
pages = {435--464},
}