@article{Massey2016,
author = {Massey, D.S. and Pren, K.A. and Durand, J.},
title= {Why border enforcement backfired},
year = {2016},
doi = {10.1086/684200},
URL = {https://doi.org/doi:10.1086/684200},
volume = {121},
number = {5},
pages = {1557‒1600},
}