@article{Johnson2005,
author = {Johnson, K.M. and Voss, P.R. and Hammer, R.B. and Fuguitt, G.V. and Mcniven, S.},
title= {Temporal and spatial variation in age-specific net migration in the United States},
year = {2005},
doi = {10.1353/dem.2005.0033},
journal = {Demography},
volume = {42},
number = {2},
pages = {791--812},
}