@article{siffert_lazarotto_mello neto_olinto_2007,  title={Dark matter halos and the anisotropy of ultra-high energy cosmic rays in the Pierre Auger observatory},  volume={37},  ISSN={0103-9733},  url={https://doi.org/10.1590/S0103-97332007000100016},  DOI={10.1590/S0103-97332007000100016},  number={1a},  journal={Brazilian Journal of Physics},  publisher={Sociedade Brasileira de Física},  author={Siffert, Beatriz B. and Lazarotto, B. and Mello Neto, J. R. T. de and Olinto, Angela},  year={2007},  month={Mar},  pages={48–51} }