@article{Hugo2003,
author = {Hugo, G. and Champion, A. and Lattes, A.},
title= {Toward a new conceptualization of settlements for demography},
year = {2003},
doi = {10.1111/j.1728-4457.2003.00277.x},
journal = {Population and Development Review},
volume = {29},
number = {2},
pages = {277--297},
}