@article{articlef5afe053,
title   = {Big cities: shelters for contagious diseases},
author = {Monteiro, Luiz Henrique Alves and Chimara, H.D.B. and Chaui-Berlinck, Jose Guilherme},
year = {2006},
doi = {10.1016/j.ecolmodel.2006.02.042},
journal   = {Ecological Modelling}
}