@article{Smith2003,
author = {Smith, James P. and Thomas, Duncan},
title= {Remembrances of things past: test–retest reliability of retrospective migration histories},
year = {2003},
doi = {10.1111/1467-985x.00257},
journal = {Journal of the Royal Statistical Society: Series A },
volume = {166},
number = {1},
pages = {23--49},
}