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\bibitem{HAWCCollaborationAbeysekara+SalesaGreus2021} HAWC Collaboration(Abeysekara, A. U. et al), \& Salesa Greus, F. (2021). HAWC observations of the acceleration of very-high-energy cosmic rays in the Cygnus Cocoon. \textit{Nat. Astron.}, \textit{4}, 465--471.

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