@article{Dufour2004,
author = {Dufour, D.L. and Piperata, B.A.},
title= {Rural-to-urban migration in Latin America: An update and thoughts on the model},
year = {2004},
doi = {10.1002/ajhb.20043},
volume = {16},
number = {4},
pages = {395--404},
}