@article{Roberts1999,
author = {Roberts, B.R. and Frank, R. and Lozano-Ascencio, F.},
title= {Transnational migrant communities and Mexican migration to the U.S.},
year = {1999},
doi = {10.1080/014198799329477},
volume = {22},
number = {2},
pages = {238‒266},
}