Proceedings of Science / International School for Advanced Studies (ICRC2021), 784 (2021). doi:10.22323/1.395.0784 37th International Cosmic Ray Conference, ICRC 2021, Berlin, Germany, 2021-07-15-2021-07-22 Proceedings of Science, 395:784. Sissa Medialab Srl PoS 37th International Cosmic Ray Conference 37th International Cosmic Ray Conference, Jul 2021, Berlin, Germany. pp.784, ⟨10.22323/1.395.0784⟩