@article{müller_carvalho_2009,  title={Editorial},  volume={20},  ISSN={0103-6564},  url={https://doi.org/10.1590/S0103-65642009000300001},  DOI={10.1590/S0103-65642009000300001},  number={3},  journal={Psicologia USP},  publisher={Instituto de Psicologia da Universidade de São Paulo},  author={Müller, Fernanda and Carvalho, Ana Maria Almeida},  year={2009},  month={Jul},  pages={ix–xi} }