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\bibitem{PierreAugerCollaborationAbraham+Pastor2010} Pierre Auger Collaboration(Abraham, J. et al), \& Pastor, S. (2010). Trigger and aperture of the surface detector array of the Pierre Auger Observatory. \textit{Nucl. Instrum. Methods Phys. Res. A}, \textit{613}(1), 29--39.

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