TY - JOUR T1 - Dark matter halos and the anisotropy of ultra-high energy cosmic rays in the Pierre Auger observatory JO - Brazilian Journal of Physics A1 - Siffert, Beatriz B. A1 - Lazarotto, B. A1 - Mello Neto, J. R. T. de A1 - Olinto, Angela SN - 0103-9733 UL - 10.1590/S0103-97332007000100016 VL - 37 Y1 - 2007 PB - Brasil ER -