@article{silva_davidian_2013,  title={Identification of areas of vote concentration: evidences from Brazil},  volume={7},  ISSN={1981-3821},  url={https://www.scielo.br/j/bpsr/a/xmLcsgG4hX5HFNHJwHr9BZp/},  number={2},  journal={Brazilian Political Science Review},  publisher={Associação Brasileira de Ciência Política},  author={Silva, Glauco Peres da and Davidian, Andreza},  year={2013},  pages={141–155} }