@article{martins_costa_2003,  title={Quem são eles?},  volume={19},  ISSN={0102-3772},  url={https://doi.org/10.1590/S0102-37722003000100012},  DOI={10.1590/S0102-37722003000100012},  number={1},  journal={Psicologia: Teoria e Pesquisa},  publisher={Instituto de Psicologia, Universidade de Brasília},  author={Martins, Francisco and Costa, Arílson Corrêa da},  year={2003},  month={Jan},  pages={91–96} }