The Pierre Auger Observatory III: Other Astrophysical Observations
  Astrophysical observations of ultra-high-energy cosmic rays with the Pierre Auger Observatory 
The Pierre Auger Collaboration: P. Abreu, M. Aglietta, E.J. Ahn,   I.F.M. Albuquerque, D. Allard, I. Allekotte, J. Allen, P....
astro-ph.HE hep-ex