@article{oliveira_2004,  title={Pierre Auger Observatory: status report},  volume={34},  ISSN={0103-9733},  url={https://doi.org/10.1590/S0103-97332004000700016},  DOI={10.1590/S0103-97332004000700016},  number={4a},  journal={Brazilian Journal of Physics},  publisher={Sociedade Brasileira de Física},  author={Oliveira, M. A. L. de},  year={2004},  month={Dec},  pages={1390–1397} }