@article{Dorélien2013,
author = {Dorélien, A. and Balk, D. and Todd, M.},
title= {What is urban? Comparing a satellite view with the demographic and health surveys},
year = {2013},
doi = {10.1111/j.1728-4457.2013.00610.x},
volume = {39},
number = {3},
pages = {413--439},
}