@article{sachsida_mollick_mendonça_2009,  title={An empirical examination of firearm users in Brasilia, DF},  volume={13},  ISSN={1413-8050},  url={https://doi.org/10.1590/S1413-80502009000400004},  DOI={10.1590/S1413-80502009000400004},  number={4},  journal={Economia Aplicada},  publisher={Faculdade de Economia, Administração e Contabilidade de Ribeirão Preto da Universidade de São Paulo},  author={Sachsida, Adolfo and Mollick, André V. and Mendonça, Mario Jorge Cardoso de},  year={2009},  month={Oct},  pages={425–438} }